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    • Tiandy TC - 218A A/V Amplifier Splitter

      Audio and video distribution amplifier:
      Model number:
      TC-214: 4 video inputs and 8 video outputs
      TC-214A: 4 video inputs and 8 video outputs; 4 audio inputs and 8 audio outputs
      TC-218: 8 video inputs and 16 video outputs
      TC-218A: 8 video inputs and 16 video outputs; 8 audio inputs and 16 audio outputs
      TC-2116: 16 video inputs and 32 video outputs
      TC-224: 4 video inputs and 16 video outputs
      TC-224A: 4 video inputs and 16 video outputs; 4 audio inputs and 16 audio outputs
      TC-228: 8 video inputs and 32 video outputs
      Features:
      Video input output: 1Vp-p, 75 Ohms BNC port
      Audio input output: less than equal to 4Vp-p, 600 Ohms RCA port
      SNR: less than equal to 70dB
      Dimensions: 482 x 110 x 44.5mm
      Weight: 2kg

      • A/V Amplifier Splitter with 4 8 16 Inputs and 8 16 32 Outp

    • Tianjin Tiandy Digital Technology Co. Ltd

    • Twida TWD-ID004P-II IR Dome Camera

      Image sensor: 1 3-inch Sharp color CCD
      Horizontal resolution: 420TV Lines
      Signal system: PAL NTSC
      Picture pixels:
      PAL: 500(H) x 582(V)
      NTSC: 510(H) x 492(V)
      LED No.: 24 pieces
      Ranging distance: 20 to 25m
      Infrared wavelength: 850nm
      Sync system: Internal synchronization
      S N ratio: >48dB
      Lens: 3.6 6mm
      Electronic shutter:
      PAL: 1 50 to 1 100,000 seconds
      NTSC: 1 60 to 1 100,000 seconds
      Gamma collection: r=0.45
      Gain control: Auto
      White balance: Auto
      Backlight compensation: Auto
      Minimum illumination: 0Lux (IR ON)
      Video output: 1.0Vp-p, 75 and #937
      Power supply: 12V DC
      Operation temperature: -10 to +50 degrees Celsius
      Case: 360 and #176 rotation black color or white color case for your choice
      With Anti-reflection glass to prevent light reflection
      Other model:
      TWD-ID003P: 1 4-inch Sharp Color CCD, 420TV Lines

      • 1/3-inch Sharp Color CCD CCTV IR Day and night Dome Camera 24L

    • Hongkong Tengweida Electronic Co.,Ltd

    • Twida TWD-ID003P CCTV Dome IR/Day and Night Camera

      Image sensor: 1 4-inch Sharp Color CCD
      Horizontal resolution: 420TV Lines
      Signal system: PAL NTSC
      Picture pixels:
      PAL: 500(H) x 582(V)
      NTSC: 510(H) x 492(V)
      LED: 24 pieces
      Ranging distance: 20 to 25m
      Infrared wavelength: 850nm
      Sync system: Internal synchronization
      S N ratio: >48dB
      Lens: 3.6 6mm
      Electronic shutter:
      PAL: 1 50 to 1 100,000 seconds
      NTSC: 1 60 to 1 100,000 seconds
      Gamma collection: r=0.45
      Gain control: Auto
      White balance: Auto
      Backlight compensation: Auto
      Minimum illumination: 0Lux (IR ON)
      Video output: 1.0Vp-p, 75 and #937;
      Power supply: 12V DC
      Operating temperature: -10 to +50 and #0176;C
      Case: 360 and #0176; rotation white color or black color case for your choice
      With Anti-reflection glass to prevent light reflection
      Other model:
      TWD-ID004P: 1 3-inch Sharp Color CCD, 420TV Lines

      • 1/4-inch Sharp Color CCD CCTV IR Day and night Dome Camera 42

    • Hongkong Tengweida Electronic Co.,Ltd

    • Twida TWD-D003 Color CCD Dome Camera

      Image sensor: 1 3-inch Sony Color CCD
      Horizontal resolution: 480TV Lines
      Signal system: PAL NTSC
      Picture pixels:
      PAL: 752 (H) x 582 (V)
      NTSC: 768 (H) x 494 (V)
      Sync system: Internal synchronization
      S N ratio: >48dB
      Lens: 3.6mm
      Electronic shutter:
      PAL: 1 50 -1 100,000 Sec
      NTSC: 1 60 -1 100,000 Sec
      Gamma collection: r=0.45
      Gain control: Auto
      White balance: Auto
      Backlight compensation: Auto
      Minimum illumination: 1.0Lux F1.2
      Video output: 1.0Vp-p, 75 and #937
      Power supply: 12V DC
      Operation temperature: -10 to +50 degrees Celsius
      Dimensions: and #216 115mm x 80mm
      Weight: 400g
      Other model:
      TWD-D004: 1 3-inch Sony HQ1 Color CCD, 520TV Lines, 1.0Lux F1.2

      • 1/3-inch Sony Color CCD CCTV Fixed Dome Camera 480TVL 3.6mm

    • Hongkong Tengweida Electronic Co.,Ltd

    • Twida TWD-D302P Dome Camera

      Image sensor: 1 3-inch Sharp Color CCD
      Horizontal resolution: 420TV Lines
      Signal system: PAL NTSC
      Picture pixels:
      PAL: 500 (H) x 582 (V),
      NTSC: 510 (H) x 492 (V)
      Sync system: internal synchronization
      S N ratio: >48dB
      Lens: 3.6mm
      Electronic shutter:
      PAL: 1 50 -1 100,000 Sec,
      NTSC: 1 60 -1 100,000 Sec
      Gamma collection: r=0.45
      Gain control: Auto
      White balance: Auto
      Backlight compensation: Auto
      Minimum illumination: 1.0Lux F1.2
      Video output: 1.0Vp-p, 75 and #937
      Power supply: 12V DC
      Operation temperature: -10 to +50 degrees Celsius
      Dimensions: and #216 110mm x 67mm
      Other model:
      TWD-D301P: 1 4-inch Sharp Color CCD,
      420TV Lines, 1.5Lux F1.2

      • 1/3-inch Sharp Color CCD CCTV Dome Camera 420TV Lines 3.6mm

    • Hongkong Tengweida Electronic Co.,Ltd

    • Twida TWD-ID006P CCTV Day and Night Dome IR Camera

      Image sensor: 1 3-inch Sharp color CCD
      Horizontal resolution: 420TV Lines
      Signal system: PAL NTSC
      Picture pixels:
      PAL: 500(H) x 582(V)
      NTSC: 510(H) x 492(V)
      LED No.: 12 pieces
      Ranging distance: 10 to 15m
      Infrared wavelength: 850nm
      Sync System: Internal synchronization
      S N ratio: >48dB
      Lens: 3.6mm
      Electronic shutter:
      PAL: 1 50 to 1 100,000 seconds
      NTSC: 1 60 to 1 100,000 seconds
      Gamma correction: r=0.45
      Gain control: Auto
      White balance: Auto
      Backlight compensation: Auto
      Minimum illumination: 0Lux(IR ON)
      Video output: 1.0Vp-p, 75 and #937;
      Power supply: 12V DC
      Operating temperature: -10 to +50 degrees Celsius
      Dimensions: and #216;108 x 56mm
      Other model:
      TWD-ID005P: 1 4-inch Sharp color CCD,
      420TV Lines, 12pcs LEDs

      • 1/3-inch Sharp Color CCD CCTV IR Day and night Dome Camera 42

    • Hongkong Tengweida Electronic Co.,Ltd

    • Twida TWD-VD004-480 1/3-inch Sony Color CCD CCTV Vandal proof Dome Camera

      Image sensor: 1 3-inch Sony Color CCD
      Horizontal resolutions: 480TV Lines
      Signal system: PAL NTSC
      Picture pixels:
      PAL: 752(H) x 582(V)
      NTSC: 768(H) x 494(V)
      Sync system: Internal synchronization
      S N ratio: >48dB
      Lens: It doesn t include lens, can install fixed and varifocal lens
      Electronic shutter:
      PAL: 1 50 -1 1,00,000 seconds,
      NTSC: 1 60 -1 1,00,000 seconds
      Gamma collection: r=0.45
      Gain control: Auto
      White balance: Auto
      Backlight compensation: Auto
      Minimum illumination: 1.0Lux F1.2
      Video output: 1.0Vp-p, 75 and #937
      Power supply: 12V DC
      Operation temperature: -10 to +50 degrees Celsius
      Bracket: Wall-mount bracket is optional
      Other model:
      TWD-VD004-520: 1 3-inch Sony HQ1 Color CCD, 520TV Lines,
      1.0Lux F1.2, Can install fixed and varifocal lens, DC12V

      • 1/3-inch Sony Color CCD CCTV Vandal-proof Dome Camera 480TVL

    • Hongkong Tengweida Electronic Co.,Ltd

    • Twida TWD-5A-1P 1/3-inch Sony CCTV Color CCD Pan-tilt Digital Dome Camera

      Image sensor: 1 3-inch Sharp Color CCD
      Horizontal resolution: 420TV Lines
      Signal system: PAL NTSC
      Picture pixels:
      PAL: 500(H) x 582(V)
      NTSC: 510(H) x 492(V)
      Sync system: Internal synchronization
      S N ratio: >48dB
      Lens: 3.6mm 6mm
      Rotation range:
      Pan: 0 to 355 and #176;, 20 and #176; S
      Tilt: 0 to 90 and #176;, 30 and #176; S
      Electronic shutter:
      PAL: 1 50 to 1 100,000 seconds
      NTSC: 1 60 to 1 100,000 seconds
      Gamma collection: r=0.45
      Gain control: Auto
      White balance: Auto
      Backlight compensation: Auto
      Minimum illumination: 1.0Lux F1.2
      Video output: 1.0Vp-p, 75 and #937;
      Power supply: 12V DC
      Operation temperature: -10 to +50 degrees Celsius
      Dimensions: and #216;139 x 120mm
      Other model:
      TWD-5A-1 1P: 1 4-inch Sharp Color CCD, 420TV Lines, 1.5Lux F1.2

      • 1/3-inch Sharp Color CCD CCTV Pan-tilt Digital Dome Camera 42

    • Hongkong Tengweida Electronic Co.,Ltd

    • Twida TWD-D103 1/3-inch Sony Color CCD CCTV Fixed Dome Camera

      Image sensor: 1 3-inch Sony Color CCD
      Horizontal resolution: 480TV Lines
      Signal system: PAL NTSC
      Picture pixels:
      PAL: 752 (H) x 582 (V)
      NTSC: 768 (H) x 494 (V)
      Sync system: Internal synchronization
      S N ratio: >48dB
      Lens: 3.6 6mm
      Electronic shutter:
      PAL: 1 50 -1 100,000 Sec
      NTSC: 1 60 -1 100,000 Sec
      Gamma collection: r=0.45
      Gain control: Auto
      White balance: Auto
      Backlight compensation: Auto
      Minimum illumination: 1.0Lux F1.2
      Video output: 1.0Vp-p, 75 and #937
      Power supply: 12V DC
      Operation temperature: -10 to +50 degrees Celsius
      Dimensions: and #216 128mm x 100mm
      Other model:
      TWD-D104: 1 3-inch Sony HQ1 Color CCD, 520TV Lines

      • 1/3-inch Sony Color CCD CCTV Dome Camera 480TVL Two-layer Cr

    • Hongkong Tengweida Electronic Co.,Ltd

    • Twida TWD-ID102-520 1/3-inch Sony Color CCD CCTV Vandal-proof IR Day and night Dome Camera

      Image sensor: 1 3-inch Sony HQ1 Color CCD
      Horizontal resolution: 520TV Lines
      Signal system: PAL NTSC
      Picture pixels:
      PAL: 752(H) x 582(V)
      NTSC: 768(H) x 494(V)
      LED No.: 36 pieces LEDs
      Ranging distance: 35-40m
      Infrared wavelength: 850nm
      Sync system: Internal synchronization
      S N ratio: >48dB
      Lens: 4-9mm varifocal lens(Controlled by Gears)
      Electronic shutter:
      PAL: 1 50 -1 1,00,000 Sec
      NTSC: 1 60 -1 1,00,000 Sec
      Gamma collection: r=0.45
      Gain control: Auto
      White balance: Auto
      Backlight compensation: Auto
      Minimum illumination: 0Lux(IR ON)
      Video output: 1.0Vp-p, 75 and #937
      Power supply: 12V DC
      Operation temperature: -10 to +50 degrees Celsius
      Dimension: and #216 120 x 100mm
      Case: Water-resistant and Vandal-proof metal case with Anti-reflection glass
      The focus and zoom are adjustable outside by manual
      Other model:
      TWD-ID102-480: 1 3-inch Sony Color CCD, 480TV Lines,
      36pcs LEDs, 4-9mm varifocal Lens(Controlled by Gears)

      • 1/3-in Sony HQ1 Color CCD CCTV Vandal-proof IR Day and night D

    • Hongkong Tengweida Electronic Co.,Ltd

    • Twida TWD-MD005P Mini Dome Camera

      Image sensor: 1 4-inch Sharp color CCD
      Horizontal resolution: 420TV Lines
      Signal system: PAL NTSC
      Picture pixels:
      PAL: 500(H) x 582(V)
      NTSC: 510(H) x 492(V)
      Sync system: Internal synchronization
      S N ratio: >48dB
      Lens: 3.6mm
      Electronic shutter:
      PAL: 1 50 to 1 100,000 seconds
      NTSC: 1 60 to 1 100,000 seconds
      Gamma collection: r=0.45
      Gain control: Auto
      White balance: Auto
      Backlight compensation: Auto
      Minimum illumination: 1.5Lux F1.2
      Video output: 1.0Vp-p, 75 and #937
      Power supply: 12V DC
      Operation temperature: -10 to +50 degrees Celsius
      Dimensions: and #216 68 x 52mm
      Other model:
      TWD-MD006P: 1 3-inch Sharp Color CCD,
      420TV Lines, 1.0Lux F1.2

      • 1/4-inch Sharp Color CCD CCTV Miniature Dome Camera 420TV Lin

    • Hongkong Tengweida Electronic Co.,Ltd

    • Twida TWD-MD004P Dome Camera

      Image sensor: 1 3-inch Sharp color CCD
      Horizontal resolution: 420TV Lines
      Signal system: PAL NTSC
      Picture pixels:
      PAL: 500(H) x 582(V)
      NTSC: 510(H) x 492(V)
      Sync system: Internal synchronization
      S N ratio: >48dB
      Lens: 3.6mm
      Electronic shutter:
      PAL: 1 50 -1 1,00,000 seconds
      NTSC: 1 60 -1 1,00,000 seconds
      Gamma collection: r=0.45
      Gain control: Auto
      White balance: Auto
      Backlight compensation: Auto
      Minimum illumination: 1.0Lux F1.2
      Video output: 1.0Vp-p, 75 and #937
      Power supply: 12V DC
      Operation temperature: -10 to +50 degrees Celsius
      Dimension: and #216 85 x 54mm
      Case: 350 and #176 rotation black color or white color case for your choice
      Other model:
      TWD-MD003P: 1 4-inch Sharp Color CCD, 420TV Lines, 1.5Lux F1.2

      • 1/3-inch Sharp Color CCD CCTV Miniature Dome Camera 420TVL 3

    • Hongkong Tengweida Electronic Co.,Ltd

    • Twida TWD-D102-鈪 1/3-inch Sony Color CCD CCTV Digital Dome Camera

      Image sensor: 1 3-inch Sony Color CCD
      Horizontal resolutions: 420TV Lines
      Signal system: PAL NTSC
      Picture pixels:
      PAL: 500(H) x 582(V)
      NTSC: 510(H) x 492(V)
      Sync system: Internal synchronization
      S N ratio: >48dB
      Lens: It doesn t include lens, can install fixed and varifocal lens
      Electronic shutter:
      PAL: 1 50 -1 1,00,000 seconds
      NTSC: 1 60 -1 1,00,000 seconds
      Gamma collection: r=0.45
      Gain control: Auto
      White balance: Auto
      Backlight compensation: Auto
      Minimum illumination: 0.8Lux F1.2
      Video output: 1.0Vp-p, 75 and #937
      Power supply: 12V DC
      Operation temperature: -10 to +50 degrees Celsius
      Dimension: and #216 138mm x 125mm
      Weight: 320g
      Other model:
      TWD-ID101-II: 1 4-inch Sony Color CCD,
      420TV Lines, 1.0Lux F1.2

      • 1/3-inch Sony Color CCD CCTV Digital Dome Camera 420TV Lines

    • Hongkong Tengweida Electronic Co.,Ltd

    • Twida TWD-MD006 1/3-inch Sony Color CCD CCTV Miniature Fixed Dome Camera

      Image sensor: 1 3-inch Sony Color CCD
      Horizontal resolution: 420TV Lines
      Signal system: PAL NTSC
      Picture pixels:
      PAL: 500(H) x 582(V)
      NTSC: 510(H) x 492(V)
      Sync system: Internal synchronization
      S N ratio: >48dB
      Lens: 3.6mm
      Electronic shutter:
      PAL: 1 50 to 1 100,000 Sec
      NTSC: 1 60 to 1 100,000 Sec
      Gamma collection: r=0.45
      Gain control: Auto
      White balance: Auto
      Backlight compensation: Auto
      Minimum illumination: 0.8Lux F1.2
      Video output: 1.0Vp-p, 75 and #937
      Power supply: 12V DC
      Operation temperature: -10 to +50 degrees Celsius
      Dimensions: and #216 68 x 52mm
      Other model:
      TWD-M005: 1 4-inch Sony Color CCD,
      420TV Lines, 1.0Lux F1.2

      • 1/3-inch Sony Color CCD CCTV Miniature Dome Camera 420TV Line

    • Hongkong Tengweida Electronic Co.,Ltd

    • Twida TWD-VD002 1/3-inch Sony Color CCD CCTV Vandal proof & Water-resistant Dome Camera

      Image sensor: 1 3-inch Sony Color CCD
      Horizontal resolution: 420TV Lines
      Signal system: PAL NTSC
      Picture pixels:
      PAL: 500(H) x 582(V)
      NTSC: 510(H) x 492(V)
      Sync system: Internal synchronization
      S N ratio: >48dB
      Lens: 3.6 6mm
      Electronic shutter:
      PAL: 1 50 -1 1,00,000 Sec
      NTSC: 1 60 -1 1,00,000 Sec
      Gamma collection: r=0.45
      Gain control: Auto
      White balance: Auto
      Backlight compensation: Auto
      Minimum illumination: 0.8Lux F1.2
      Video output: 1.0Vp-p, 75 and #937
      Power supply: 12V DC
      Operation temperature: -10 to +50 degrees Celsius
      Case: Silver or violet metal case for your choice,
      wall-mount bracket is optional
      Other models:
      TWD-VD001: 1 4-inch Sony Color CCD,
      420TVL, 1.0Lux F1.2, 3.6mm Lens

      • 1/3-inch Sony Color CCD CCTV Vandal proof & Water-resistant Do

    • Hongkong Tengweida Electronic Co.,Ltd

    • RDK003 IR lamp control

      1)Suitabel for incandescent lamp or fluorescence lamp 2)Dimmer Function 3)Timer Function 4)Double IR sensors 5)Direct fixing without slotted wiring ABS material(Lamp holder: PBT Material) Blister Package: 60pcs/carton Carton Dimension: 29*39*59cm G.W.:8.5 Kg/per carton N.W.: 7.5 Kg/per carton If you have interest, pls feel free to contact: cnrk003(at)gmail.com

      • lamp control IR lamp control lighting control

    • GK-PS2 PP-II PPII Video Game Consoles

      Used for analysis of several high-definition and images With high-efficiency stereo counterparts Captivate multifunctional distance shot Super compatibility and 100 percent rate card 1 console 8-bit AV RF function 60 - 72p NTSC PAL format 1 + 512MB built-in game 9,999,999-in-1 Joystick: 2 normal Gun, five-four 9 - 7p Adapter: 110 - 220V AV cable: yellow and white Customized colors and designs are welcome

      • video game game comsole TV game

    • state power world HRDXC/F HRDXC/F Electricity Harmonic Measuring Instrument/ Analysis Meter

      It meets the whole requirements of GB/T1459～93 to test the virtual value, and positive ,reverse and zero sequence component of current and voltage Measuring area: content of voltage harmonic, distortion factor of phase-angle and current voltage Virtual value of current harmonics, distortion factor of phase-angle and total voltage harmonics Range of measuring harmonics: fundamental wave -51times harmonics Way of input signals: voltage, current, phase Print: printed three-phase waveforms, statistic of the testing results, automatic printed three-phase results. The key technical indexes: 1．Way and range of input signal A．Three-phase voltage and three-phase current B. voltage test range: 10-240V（or 20-400V） C. current test range: 0.05-6A (or0.1-12A) D. tracking range of fundamental harmonics frequency 2. Input impendence: voltage side≥200kΩ, current side≤20mΩ 3. Measuring accuracy: measuring error of fundamental: ≤0.5% 4. Measuring times of harmonics: 5-51 5. Statistical times：5～96 times are choiceable 6. Timing space of orientation in time：0～999 minutes are choiceable 7. setting range of continuous limited number：0～999 8. time of equipments’ power supply source：220V±15%；50Hz±5%；THDu±≤8.0%; 20VA

      • Electricity Harmonic Measuring Instrument

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