... , alarm zone and telephone .Inner Ni battery of high performance ,keep working after the power is off .Can connect with the ... international Ademco contact ID .Technical Parameters :Power supply:AC 220V DC 9VInner Power: Ni-Mh battery, DC 7.2VStatic Current:≤50mAAlarm Current:≤300mAWireless ... wireless door sensor,1 siren, 2 remote controllers, 1 power supply, 1 phone wire ,1 manual Wireless anti-decode ...