Call home and center, color dialogue; Chinese digital tube display, infrared night light compensation; Central surveillance, code cipher unlocking; Extensible touch - free ID/IC door access card head; The entrance machine of the same unit multi door entrance (9 units); Gate closure detection and anti dismantling detection
Power: DC18V
Power consumption: maximum 0.8W (standby) /6W (work)
Audio distortion: less than 8%
Audio signal to noise ratio: greater than 50dB
Resolution: 420TV Line
Lens: 92 degrees
Load capacity: 9999 households
Camera with infrared backlight compensation, compensation
Minimum illuminance: 0.1LUX
Video output: differential transmission
Working temperature: -40 C ~ +75 C
Volume: 400 x 155 x 49.5 (equipment size) 345 x 117 x 60 (pre buried size)
Installation way: wall embedded or iron door fixed