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| Basic Functions: Visitor calling, Supervising, Dual speaking, | |||||||||
| Remote unlocking, Warning alarm. | |||||||||
| Features: 1) View and talk with the visitor and let them in | |||||||||
| by pressing the unlock button on Video Door Phone (electric door strike required); | |||||||||
| 2) Door chime; | |||||||||
| 3) Real-time dual communication; | |||||||||
| 4) Repress the "monitor" button on the indoor monitor to turn off monitor function | |||||||||
| or transfer to another monitor channel(VDP-20KB/KE) and the screen auto off after 30 seconds; | |||||||||
| 5) Brightness, contrast and ring volume(only available for B/W ones) are adjustable; | |||||||||
| 6) Built-in infrared LED for night vision; | |||||||||
| 7) Option to install extra camera or monitor to increase monitored area(unless otherwise noted); | |||||||||
| 8) Installation: Wall mount except other purticularly stipulated. | |||||||||
| 9) Most of them can be built in Switch Mode Power Supply(SMPS) which is compatible to | |||||||||
| a wide range of power supply with AC100~240V/50-60Hz. | |||||||||
| Working Termperature: Indoor Monitor: 0°C to 40°C | |||||||||
| Outdoor Camera: -10°C to 50°C | |||||||||
3g video door phone