| Display | 7 inch digital LCD (800*480) |
| Connection | 4 wire (power, video, audio, grounding) |
| Power Supply | 13.5V DC |
| Power Consumption (Working Mode) | 7W ( max.), 1W (stand by) |
| Audio Distortion | ???3% |
| Video | 1Vp-p 75– (input) |
| Working Temperature | 0 – to +50– |
| Storage Temperature | -20– to +70– |
| Distance (Indoor to Outdoor) | 60m (RVV4x0.5) 100m (RVV3*0.5+SYV75-3) |
ZKTeco VDPI-B1 Video Doorphone Price in London, UK
| 7-inch indoor video door phone system /Classic design in hands-free style /Real-time monitoring to door station |
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