JH-5A has waterproof function,6 zone,100 sensitivity level, blue, LED lights,Remote Control,Durable with Alloy&PVC Construction ... . Reduces workload of security personnel 5. Reduces false alarms 6. Increases Building safety with minimal cost 7. Durable material ... with low , middle and high . Bright LED Visual alarm (4) Accurate location: 6 independent distributing search coverage and acousto-optic ...