This wireless solar powered strobe/siren has front and back tamper switches that will trigger the siren and strobe if the front cover is removed or if the casing is removed from the wall. It has a built-in rechargeable lithium battery that provide 10 days standby power in case there’s no sun. When your alarm system is in armed mode a red LED will flash slowly to advise you the alarm is turned on.

This is a wireless mains powered indoor strobe siren. You can connect as many of these as you like to your alarm control panel. It simply needs to be plugged into a mains power point and comes with a built-in rechargeable backup battery in case of power failure.