Specifications
automatic
Microwave
Smart
Safe
Reliable
Main techinical parameters:
Voltage: AC/DC 12-24V
Frequency: 50~60Hz
Power Consumption: <2W
Transmitting Frequency: 10.525GHz
Max. Installation Height: 3m
Validity Transmitting Range: 4mx3m
Size: 115mmx75mmx50mm
Net Weight(including 2.5m wire):225g
Working Environment Temperature: -20°c~+55°c
http://www.victordoors.com/automatic-door-detective-sensors/