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 :<1.5cm 2. Working voltage:12V 3. Working current:≤10mA 4. Static current:≤5A 5. Working frequency:433.92 MHZ±2KHZ/315 MHZ 6. Emitting frequency:>10mw 7. Frequency tolerance:±0.2MHz