Feature: * Brand new and high quality ** Reminds you when the door is open and closed. * Synchronize door opening and closing status in the app. * Can obtain ZigBee and Wi-Fi devices to maintain connection. * Control light with actions. * Support adding a camera to see what happened in your home. *Share Control allows other users to quickly control their connected device. * Check 3 months of history records. * Low battery notification. *Easy peel-and-stick installation. Details: Material: ABS Color: white Size (main body): L50 * W25 * H11mm Size (support body): L30 * W15 * H10mm Battery: CR2032 button battery (included) Detection accuracy: 5mm Standby time: 3 years service life, 5 times a day Standby current: le; 5uA Wireless Mode: 2.4GHz Protocol: ZigBee 3.0 Operation Instruction: Press and hold the reset button for more than 6 seconds with pins for initial power on, until the front indicator light flashes and slows down, and the indicator light flashes, then you can enter the distribution network mode Working environment: indoors Working temperature: - 10 deg; C ~ 40 deg; C (14 deg; F-104 deg; F) Storage temperature: - 10 ~ 60 (14 deg; F ~ 140 deg; F) Operating humidity: 20% ~ 85% RH Storage humidity: 0% ~ 90% RH Package Content: 1 Set Door Sensor Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. *