WiFi Tuya Smart Door Open Contact Sensor Magnetic Light Sensing Door Window Sensor Detector •WiFi Connection: With WiFi connecting mode,control with "Tuya Smart" App. No cable is required,easy to use •Send Alerts to Your Phone: When door/window is opened or closed,the sensor will push instant notification to your smartphone immediately. You can check your house via phone wherever you are •Low Power Warning: When the battery is running low,it will automatically push messages through APP to remind you to change battery,never worry about running out of battery •Voice Control: By connecting the smart sensor with Alexa or Google Assistant to realize voice control. Come to make your smart home life more convenient and easier •Easy to Install: No complicated installation step. Support self-adhesive installation and screw installation •Suitable Scenery: Not only suitable for front doors or windows,but also for garage doors,liquor cabinets,front gate,safety deposit box,pet doors and more •Specification: •Input voltage: DC 3V •Battery capacity: 100mAh •Quiescent current: ≤35uA •Alarm current: ≤135mA •Low power undervoltage: ≤2.4V •WiFi: 802.11b/g/n •Magnetic control distance: ≤20mm •Light range: 0~10000LuX •Working temperature: -10℃~+50℃ •Working humidity: maximum 95%RH Package included: •1 x Door Sensor •1 x Door Sensor Main Body •1 x English and Chinese User Manual •Other things not included