Wifi Zigbee Pir Motion Sensor Smart Home Infrared Detector Security Alexa. Introducing the Smart Home Sensor, Designed for Seamless Integration with Your Smart Home Platform. Choose Between the Zigbee or WiFi Version to Suit Your Specific Needs. The Zigbee Version Requires a Tuya Zigbee Hub or Multi-mode Gateway for Operation, While the WiFi Version Connects Directly to Your 2.4GHz WiFi Network Without a Hub. Both Versions Are Compatible with Alexa, Though Creating Routes is Not Supported. Please Note That Batteries Are Not Included in the Package. This Sensor Does Not Contain Any High-concern Chemicals and is Certified by CE, FCC, and RoHS Standards. Features: - Versions Available: Zigbee and WiFi - Power Supply: 2 X AAA Batteries (not Included) - Smart Home Compatibility: Alexa, Tuya - Zigbee Requirements: Tuya Zigbee Hub or Multi-mode Gateway - WiFi Requirements: 2.4GHz Network, No Hub Needed - Certifications: CE, FCC, RoHS Compliant Streamline Your Smart Home Experience with Our Versatile Sensor Options..