The Mace Wireless/Door Window Sensor with Alarm is ideal for expanding the power and protection of the Mace Wireless Home Security system, by installing one near every door and window in your home that you wish to protect. The Mace Wireless Door/Window Sensor can also be used individually as a standalone alarm.
- activates alarm when triggered by the door or window opening
- wireless transmission up to 300 feet
- 9 volt battery operation (included)