... system with LED light 1.SMS set command 2.10seconds voice message 3.24 defense zones 4.CE Emergency alarm system with LED lightmodel name ... about 12 hours.14. Has output relay, can control home appliance,such as light, cooker, air-conditioner and so on.15. can ... . The explanation of 10 ports of green board Relay----------to control the home applianceSpeaker------two-way voice communicationL1,L2,L3,L4 ...