- Contact sensor for doors and windows, designed to enhance home security - Compatible with ZigBee 3.0, integration with Alexa, Google Assistant, Tuya Smart Life, and NOUS Smart - Accurately detects the opening and closing of doors or windows, sending real-time notifications - Quick and easy installation thanks to its compact and lightweight white design - Long-lasting battery, up to 5 years without the need for frequent replacement - Wide ZigBee network coverage: up to 100 meters indoors and 300 meters outdoors - Ideal for alarm systems, anti-theft protection, and smart home automation - Recommended for users seeking security, convenience, and control from their mobile device