ChunHee WiFi Door and Window Magnetic Sensor Wireless Notion Smart Security Home Sensor Control by Tuya or SmartLife App Compatible with Alexa Google Assistant and IFTTT 2 Packs

How do you know when others come in and go out in your home no matter where you are?  Door/Window sensor can help you to do this! It can monitor the door and window as well as mailbox status in  real time, it was very easy to set up, after downloading the “TUYA” or "SmartLife" App  and connect  the device with your home WiFi. While the door/window was opening, closing and tampering as well as at low battery, the push notifications would be send to your smartphone within a few seconds. Then you can  check the history from mobile remote viewing, you would know what is happening in you  home when you are out. Product Specifications: Input voltage?DC3V  LR03 Quiescent Current??10uA Detect Current??160mA Low power undervoltage??2.7V WIFI?  802.11b/g/n Magnetic control distance??15MM Working temperature?-10°C ~ 50°C Working humidity?max 95%RH Technical Parameter: Battery: AAA 1.5V x 2 Standby current: ?5uA Protocol: IEEE 802.11b/g/n Wireless Range: 50m Operating Temperature: -10°C ~ 40°C  ?14°F ~ 104°F) Operating Humidity: 20% ~ 85% Storage Temperature: -10°C ~ 60°C (14°F ~ 140°F) Storage Humidity: 0% ~ 90% Standby time:?- 10 months Wireless Type: 2.4GHz Package Content: WiFi Smart Door Magnetic set x 2 3M sticker x 4 User Manual x 2 3A battery x 4 Screw set x 2 Card pin x 2