Function:

(1)  no need of telephone line.

(2)password protected
(3)record your own personal massage for ten second
(5)up to 6 telephone number can be prestored in the unit and dialed to summon help in priorrity order
(6)remote command and access to system from anywhere via any telephone/momile,emegency/panic button is available for 24 hours whenever arm/disarm
(7)separately arm/disarm for certain detected areas
(8)Able to link up to the networks of alarm center through an ID code