Description:1.Detect the status of moving,compatibe with Tuya 2.Battery: AAA x 2 not included Standby time: 3 years 3.Use time:1 years (15 times/day) 2years(7 times/day) 4.Standby current:10uA Wireless Type:2.4GHz 5.Protocol:IEEE 802.11b/g/n Wifi distance:45m 6.Operating Temperature:0 40 (32°F104°F) 7.Free APP:Tuyasmart, one key setup wifi or ap mode connection with wifi . Specifications:This is a smart motion sensor which can work dependently without hub , can accurately detect moveing in the room , and can be compatible with Alexa and google home assistant to push and start the voice assistant to protect the house security . Besides, it can IFTTT other smart items . Also, it can associate 2 device sot work to creat your own scene and shart your devices to others directly how to work : 1. Run " smart life " from your smartphone desktop 2.Register and login 3. select device type , select " PIR " in the list to add the device. Package Included:1*smart sensorNotes:Due to the difference between different monitors, the pictures may not reflect the actual color of the item. Compare the detail sizes with yours, please allow 1-3cm error, due to manual measurement. Please leaving a message before you give the bad feedback, if the products have some problems. Thanks for your understandings.