Video Door Phone - Abs Housing, 4-inch Color Tft Lcd Or 3.5-inch Tft Lcd, Ip33 Protection | Dual Communication, Door Release, Adjustable Brightness

Following are the Main Functions of Video Door Phone :
Dual communication, monitoring, release door
Handset communication
Adjustable brightness and contrast
Chord melody is changeable (13-music for option)
Auto shut-down
Specification (indoor phone):
Housing: ABS
Temperature: -40 to 70a
Relative humidity: 45 to 95%
Atmospheric pressure: 86 to 108KPa
Protection level: IP33
Working voltage: DC 15V
Static current: 30mA
Working current: 500mA
Screen size: 4-inch color TFT LCD or 3.5-inch TFT LCD
Dimension: 225 x 190 x 60mm
Installation: surface mounted
Net weight: 850g
Warranty: 1 year
Function:
Dual communication, monitoring, door release
SCM control technology
Using RVV-4 cable to wiring and easy installation
Maximum support 3 outdoor-station and 3 indoor phones
Multi-door entry (optional)
Scalable system
Specification (outdoor station)
Housing: ABS
Temperature: -40 to 70a
Relative humidity: 45 to 95%
Atmospheric pressure: 86 to 108KPa
Protection level: IP33
Working voltage: DC 12 to 15V
IR CCD camera
Static current: 0.17mA
Working current: 150mA
Camera: color 420TV lines; B/W 480 TV lines
Dimension: 185 x 128 x 55mm
Net weight: 622g
Warranty: 1 year
Recommend to be used for:
Less than 4 rooms
Villa
Office
Hotel
Factory
Warehouse