Designed to fit in a door or window, this Siemens Wirefree Contact sends a signal to a receiving chime when the door/window has been opened. When the two parts are separated a signal is sent to the chime and will in turn set of the chime. Ideal for porch door or alert of a window opening this wireless alarm easily fits anywhere and is compatible with the full range of Siemens wirefree chimes.

• Compatible with Siemens range of wirefree chimes
• Fixing screws and wall plugs supplied
• LED indicator light shows signal sent
• Battery operated (3 Volt CR2032) included
• Operating distance 30 metres, reduced by walls and obstacles