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Color Video Door Phones
We deal in Color Video Door Phones:
- Have the function to talk-back, moniter, inner calling and conversation and unlock
- High performance Colour CCD camera, with infrared illumination, you can easily identify visitor even in dark
- Backlighting or the luminance is low as 0.1 Lux
- Noctilucent Keyboard
- Visual extentions are endued Function of voluntary monitoring
- Individual unlocking control circuit ensures the reliable unlocking
- One doorway system connects up to four indoor extension
- System Components: Host, extention, power supplier
- 30 seconds Ring, 120 seconds confidential conversation & 30 seconds active surveillance
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