Check the listing for details. BroadLink S3 Smart Motion Sensor - Wireless PIR for Home Automation & IFTTT. Color: White, Condition: New. Listed at 38.81 USD. Discover smart home automation with the BroadLink Smart Motion Sensor PIR3-FC. As a trusted partner of Alexa and Google Assistant, BroadLink enhances your lifestyle with seamless control over your devices. This innovative sensor detects indoor motion, triggering devices and scenes for efficient home automation. With a detection range of up to 9m (29.5ft) and push notifications for unauthorized entries, your home remains secure. The replaceable battery ensures continuous operation, and energy-saving features automatically power off appliances when not in use. Easy setup via the BroadLink app makes integrating this smart sensor a breeze. Size: 2.56" x 2.56" x 4.49", Color: White, Weight: 5.6 ounces.