... Security Alarm System Features: -Adopt three bands, GSM 900/1800/1900MHz,security wireless alarm remotely via call ... or SMS. -Support GSM/CDMA, remotely control the gsm alarm unit to arm/ disarm/listen- ... no need to connect to wire and easy for installation. -Especially suitable for storeroom, garage and the places ... PIR detector,1 siren, 1 camera, 1 GSM antenna, 1 power supply,1 manual