GSM wireless alarm system

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; 230ý?40V; Output DC 9V, 300mA
Build-in transmitter: 315MHz/433MHz
Frequency: 900/1800/1900 MHZ
Stand-by current: ý?0mA
Alarm current: ý?50mA
Operating range: up to 150 meters in open place
Siren: ý?10db
Temperature range: -10 ~ 50 ý?
Relative humidity: ý?90%
Dimension: 340x 250 x 78mm (Gift box)
Net weight: 1.2kg