... AND INSTALL,LOWEST COST BUT HIGH QUALTY,CE,ROHS,SASO,FCC,R&TTE,CCC,APPROVAL,EXPORTED ... .Multi-functional and useful for home and commerce! CE &RHOS approvced.Featurs: 1. Protection different zone: ... wireless magnetic door sensor: 12 dcv9. One wireless infrared detector: 10m*120degree horizontal 60degree vertical10. Optional sensor: wire siren, wireless smoke detector, gas leakage detector, vibration Sensor ...