GSM intercom for house door opener
Battery operated for alarm
DC12V power input (AC100-240V power input also can be customized)
One button for calling
Robust thick ABS box
Water proof push button on the front panel,and LED flashing for status
Smart lock designed for the intercom box safety
Whole body rain proof design
GSM antenna inside the box with good gainInside panel of GSM intercom
Specifications:Power inputDC12V (AC100-240V optional)Working frequency850/900/1800/1900MHzOutputDouble relay outputInputDouble alarm input