·The system designed to prevent the unpermissive person like thief, scamp,  rascal enter into the importance place like home, office etc.,    
·The inductive distance of the PIR sensor is within 10 meters.      
·The working distance of remote controllers are within 50 meters.    
·The alarm volume is more than 100DB at 1 meter.     
·Sensor type: PIR
·The spray distance of the OC pepper canister is within 1.5 meters.
·The spray speed of the pepper canister is within 8.5ml/s
·Capacity of the pepper canister is within 300ml
·CE/RoHS
·Patented