Description: No need of telephone line in order to have your location fully protected Program the duration length of the siren. Password protected. Record your own personal message for ten seconds Up to 6 telephone numbers can be pre-stored in the unit and dialed to summon help in priority order. Remote command and access to the system from anywhere via any telephone/mobile Emergency/panic button is available for 24 hours whenever arm/disarm Separately arm/disarm for certain detected areas Able to link up to the networks of alarm center through an ID code Parameter: Power supply: Input AC 110V; 220V; 230?40V; Output DC 9V, 300mA Build-in transmitter: 315MHz/433MHz Frequency: 900/1800/1900 MHZ Stand-by current: ≤20mA Alarm current: ≤150mA Operating range: up to 150 meters in open place Siren: ≥110db Temperature range: -10 ~ 50 ℃ Relative humidity: ≤ 90% Dimension: 340x 250 x 78mm (Gift box) Net weight: 1.2kg