One button support one unit room                    

Dual communication and door release

Compatibility of audio indoor phone               

Power indicator and back light for keyboard  

Capacity:2-21 rooms

Specification (outdoor station)

Housing: aluminum

Temperature: -40~70 degrees

Relative humidity: 45%~95%

Atmospheric pressure:86 Kpa~108 Kpa

Protection level:IP33

Working Voltage:  DC12~DC15V               

Dimension: 275*122*45mm;

Installation size:165*133*30mm   

Installation: flush mounted                                         

N.W:500g 

Warranty: 1 year