Long range wireless transmitter 433.92Mhz (up to 60m) Power Supply:DC12V-24V Installation Way:Surface Mounted Battery: CR2032 2pcs Output Contact:NO\NC\COM Operating life:500000 Operating Temperature:-20~+50℃ Operating Humidity:0~95% Area of application: Access control/entrance/building doorbell Trigger Mode:Press Dimensions:50*50*12mm |