. The Yale PIR Motion Detector is wireless & easy to pair with your Yale Home Alarm System* allowing you to extend you system to tailor it to your individual needs. This accessory will activate the alarm when motion is detected.* Compatible with Yale SR- Smart Home Alarm Systems & EF- Series Alarms. Features. 868 M Hz Technology
- Yale uses a frequency that is tightly controlled meaning a clearer channel with less interference. Connected
- Connect to Yale SR Smart Home Alarm & EF Series Alarm Kits.DIY Friendly
- Wireless and; easy to pair with your Yale Home Alarm System*.2 Year guarantee
- Guaranteed for 2 years from date of purchase. Batteries Included..