... defense zones 4.CE sell wireless digital home security LED lightmodel name:REH320Advantage features:1. Easily ... which detector is triggered easily.8. control home appliance. Like lights, air conditioner.9. ... cell phone anytime, wherever you are. For security reasons, the password must be input for ... of green board Relay----------to control the home applianceSpeaker------two-way voice communicationL1,L2, ...