Receive Realtime Alarms Remotely,When someone illegally opens the door or window(door magnet and magnetic stripe separation) the sensor will push instant notification to your smartphone immediately.alarm can be issued 130DB alarm sound, to avoid thieves steal propertyOnly work with B:2.4GHz WIFI CONNECTION,It connects to your smartphone via App under B:2.4G WiFi environment. lf your WiFi router only supports 5G, the device won't connectCompatible with For Alexa and Google assistant,It can also perform auto control together with other smart devices that are compatible with for Smart lifeUserFriendly Operation,Simple controls include singleclick activation, doubleclick deactivation,3seconds press for silence and a 8seconds press for resetVersatile Protection for Multiple Home Areas,The sensor is very easy to use which can be used in various scenarios according to your needs, such as Family Hotel,Rental house,Drawer Safe deposit box etcWireless Type:B:2.4GWiFiAlarm volume:130DBStandby current:Less than 10uAOperating Temperature:10 Celsius 40 Celsius (14degF104degF)Operating Humidity:20%85%Storage Temperature:10 Celsius 60 Celsius (14degF140degF)Storage Humidity:0% 90%Standby time:612 months(The product appearance and printed words may vary depending on the batch, but this does not affect use)Color: As shownMaterial: plasticPackage Contents:1 x Tuya Door Window SensorOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/ 13cm.