Usage Tips:mart Connectivity: Choose between ZigBee or WiFi models for seamless integration with your smart home system via the Tuya Smart Life app. Comprehensive Security: Monitors and records door/window open/close activities with a 7-day log accessible anytime for enhanced security. Low Battery Notification: Receive timely alerts on your smartphone when the battery is low to ensure continuous protection. Customizable Alerts: Set your preferences to receive notifications for door/window status, keeping you informed without unnecessary disturbances. Easy Installation: Comes with double-sided stickers for quick setup without needing tools. Ideal for renters or temporary installations. Family Sharing: Manage and share control with family members through the app, enhancing the safety of your loved ones. Technical Specifications: Supports low battery alarm, operates between -10℃ to +50℃, alarm trigger distance of 20±5mm, and includes a CR2032 replaceable battery. Colour:White Material:plastic Package Contents: 1 * Wifi Smart Window Door Gate Sensor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.