... is off, it still can work about 24 hours.Has output relay, can control home appliance,such as light, cooker, air ... ) sensor – 1 pc.- Remote controller – 2 pc.- Antenna – 1pc.- Mini wired siren 110dB – 1 pc.- Voice speaker – 1pc- Adaptor--1pc- Installation ... alarm, burglar alarm, security alarm system, gsm camera alarm, wireless/wired home alarm system, security system , zone alarm, home burglar alarm ...