... .92MHz 3.Voltage:DC12V 4.Current:10-12mA Wireless Door/window Sensor,door magnetic contact (LS-901),Can detect the open ... of the door or window Product Description:Wireless transmitter, it sends wireless signal to the ... control panel when it is triggered. Installing place: Door, window, draw, cabinet...So on. Specification: 1. Triggered: is less than ...