1. No need of telephone line in order to have your location fully protected 2. Program the duration length of the siren. 3. Password protected. 4. Record your own personal message for ten seconds 5. Up to 6 telephone numbers can be pre-stored in the unit and dialed to summon help in priority order. 6. Remote command and access to the system from anywhere via any telephone/mobile 7. Emergency/panic button is available for 24 hours whenever arm/disarm 8. Separately arm/disarm for certain detected areas 9. Able to link up to the networks of alarm center through an ID code Parameter: Power supply: Input AC 110V; 220V; 230/240V; 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 degrees centigrade Relative humidity: ≤ 90% Dimension: 340x 250 x 78mm (Gift box) Net weight: 1.2kg Currency: USD Unit Price: wholesale Quantity: no limited Delivery: PACKAGE: Box dimensions (L x W x H): 34 x 25 x 7.8cm Carton dimensions (10sets/ctn) (L x W x H): (53cm*35cm*40cm) Normal package: one main panel, one PIR detector, one door sensor, back-up battery and an UPS adapter, one external siren, two remote controllers. All main panels can work with smoke fire detector, gas leakage detector, wireless/wired flashing siren, wired/wireless horn, wireless shutter sensor......