Fangrui Product Details 1. Tuya Zigbee Smart Door Sensor Door Open Closed Detectors Security Protection Smart Life Control Works With Alexa Google Home 2. Description: 3. Input Voltagedc3v Lr03*2 4. Battery: Aaa*2 (not Included) 5. Standby Current 10ua 6. Alarming Current 15ma 7. Low-voltage Notification 2.5v 8. Wireless Technology:zigbee 9. Transmission Frequency:2.4ghz 10. Magnetic Control Distant : 15mm 11. Working Temperature -10-55 12. Working Humidity Rh 13. Specifications: 14. Tuya Smart Zigbee Door&window Sensor:a Tuya Zigbee Wireless Gateway Hub Is A Must To Work With The Door&window Sensor,as Well As A Variety Of Zigbee Smart Products. 15. Real-time Remote Monitoring:whenever And Wherever You Are,once Door/window Sensor Detects External Objects Or Animals, You Will Receive A Notification By Smart Phone. 16. Wide Applications:apply The Smart Door/window Sensor To Different Scenes,your Bedroom,garage,bathroom,garden And Anywhere You Like. 17. Battery Powered For Low Power Consumption;new Designed With Low Battery Reminder Supported. 18. Easy Installation With Double-side Tape,simply Stick It Anywhere You Like To Protect Your House Security. 19. Package Included: 20. 1*zigbee Door Sensor 21. 1*user Manual 22. Notes: 23. This Product Needs To Be Used With Tuya Zigbee Gateway Easy To Clean And Maintain