These are magnetic switch and emitter units which send alarm signals to the control panel when the doors and/or windows are opened and closed.
Personal alone right
High security home alarm.
High security home alarm.
The main technique parameter of door trigger:
Control distance:≤15mm
Battery :12V,model 27A
Shoot frequency:315MHz~433MHz
Shoot distance:100M(open spaces)
Usage environment condition:indoor .environment
Temperature: -10℃~50℃,relative humidity≤95%

