DC12V ±10%(Power from the monitor)

4Wires for each flats(Polarity)

-30◦C To +40◦ C

252*130*68mm

Persistent against coldest weather (-30 ° c)

Clear voice and applicable to adjust the speaker and microphone in outdoor panel

Call button completely waterproof

Applicable to install in cold, hot and humidity climate

Simple installation

A hinge holder for simple installation

Applicable for both villa and multi apartment system