Mengshen 6 Pack WiFi Door Sensor Smart Window Door Sensor Alarm Wireless Magnetic Door Open Detector and APP Remote Notification Compatible withTuya Smart Alexa Google Assistant

Universal Smart Door Window SensorNo hub required.Only a 2.4GHz WiFi connection (not compatible with 5G). Just Simply download the 'Tuya' or 'Smart Life' App to connect it. Stay informed about the safety of your home no matter where you are.
Never Miss an AlertInstant smartphone notifications when openings exceed 15mm - monitor your property 24/7 from anywhere. The software will record each data,specific to the duration of door opening and closing.
Easy to InstallationSimply use the included adhesive paper for quick, secure attachmentensure the surface is clean and dry for optimal adhesion. Install anywhere: doors, windows, drawers, filing cabinets or safes in homes, offices, hotels, warehouses.
Smart Battery ManagementPowered by 2*AAA battery(Not included). Get proactive low-battery notification on your phone when the battery is running out.
Expandable Security SystemSeamlessly connects with Tuya, Smart Life, Alexa and Google Home ecosystems - control with voice commands or automate your security routines. Like Alexa/Google is able to answer your question Is the door open/closed? Pair with other Tuya devices like sirens/floodlights to trigger 100dB alarms when intrusions occur.