Brief introduction: 

Installing a Security Alarm Control Panel in home or business building can help to stop any unwelcome people breaking into its defense area.

The Security Alarm Control Panel will call you or call police phone number you set before once intruders breaks in.

And the siren of Security Alarm Control Panel will cry loudly to scare the intruders away. besides, your friends and neighbors nearby may come and see what's going on here, what's more catch the theft. 

Wireless Home Alarm System also has SOS function, when somebody has emegency they can trigger SOS to avoid tragedy happening.