Honeywell Home Smart Security Motion Sensor - RCHSPIR1

Smart Home Detection without False Alerts: Your smart Home Security System covers more square footage when you add Indoor Motion Sensors to other rooms. Receive an alert when motion is detected, so you can know if someone is in the house when it should be empty. Smart Motion Detection + Easy Set Up: The Indoor Motion Sensor's smart infrared knows not to react to background motions such as a fan, robot vacuum or family pet (up to 79 lbs.). Honeywell Indoor Motion Sensors are completely wireless and easily installed. Requires: Honeywell Smart Home Security Base Station Battery: CR123A Lithium Estimated Battery Life: Up to 3 years based on typical usage Connectivity: Honeywell Secure Wiselink Protocol Detection Distance: Up to 40 ft. (12m) Size (H x W x D): 3.42 x 2.02 x 1.48 in. 86.9 x 51.3 x 37.6 mm. Weight: 1.9 oz (54 g)