REAL-TIME DOOR & WINDOW MONITORING: The Zigbee Contact Smart Sensor is a compact, reliable, and smart device to enhance your home automation system. It instantly detects when doors or windows open or close, sending a real-time alert to your zigbee smart hub for enhanced home security. ZIGBEE 3.0 COMPATIBILITY: Works seamlessly with Home Assistant, Hubitat and zigbee2mqtt. Fully integrates with your smart home system for reliable security automation. RELIABLE INDOOR PERFORMANCE: Built to perform in a wide range of indoor conditions. It operates at a -10°C to 55°C temperature range and resists high humidity (0-99% RH) for year-round use in any part of the home. EASY SETUP & LONG BATTERY LIFE: No tools or wiring required; includes a 3m adhesive backing and alignment marker for precision. It's powered by an energy-efficient CR2032 battery for low-maintenance, long-lasting use. COMPACT & DISCREET DESIGN: Its slim and unobtrusive profile is perfect for discreet monitoring; the small sensor fits neatly on doors, windows and frames. Upgrade your home security and automation today with the Candeo Door Contact Sensor for reliable, automated protection.