Zigbee Door Sensor Wireless Magnetic Window Open Closed Alarm Detector Works With Ewelink APP Alexa Google Need Gateway

Tips for purchase: This product is Zigbee version, Users must have/already bought a ewelink zigbee hub to operate. If without a zigbee hub, then such model will not work.Black or White Color could be choosed!Zigbee Door Sensor Door Open/Closed Detector Home Alarm Security Protection Control Need Zigbee Hub to Work with Ewelink APPDescription1. Door sensor: Perceive the opening/closing of doors, windows, electrical appliances and furniture cabinet doors, drawers, etc.Product parameters:Size: 502511mm (sensor)301510 mm (magnet)Battery: CR2032 (battery not included)Battery life: 0.5 years or more (20 times a day)Zigbee Frequency:zigbee 3.0Working temperature: -10℃～55℃Working humidity: 0%-99%RHNotice:1. First, you need to connect to the Zigbee gateway