Sterling wireless alarm additional magnetic contact

For use with 400W wireless alarm kit.
Door or window detector for use indoors (also suitable for external buildings such as sheds or workshops).
When mounted it can monitor doors, windows, cabinets etc. When the door is opened and the magnetic contact is separated, the detector will transmit a signal to the control panel.

Suitable for doors and windows
Magnetic contact can be placed either side of the unit
Compact unit
Battery operated (Lithium 2032 included)
Low battery indicator
Height 76mm x width 34mm x Depth 19mm.