DAYTECH WiFi Door and Window Sensors, Tuya Smart Door Window Alarm, Compatible with Smart Life, Tuya, only Support 2.4GHz Wi-Fi

【WiFi Smart Door Alarms】 Connect this door alarm sensor to your smartphone via 2.4GHz WiFi to receive real-time alert, When the door or window is opened, this wifi door alarms will sound to alert you, at the same time, you will receive alert notification from Tuya App whether you are at home or on the go. Alerts from the TUYA APP are free, no monthly fee. Note: only support 2.4GHz WiFi, not 5G
【Easy to Use & Share Function】The alarm sound can be closed from Tuya APP, and you can disarm or arm the window alarm sensor on your app remotely. No Need to use complicated tools when install the wifi door sensor, just use 3M glue to install. You can also set the sharing function of the Tuya App so that when the door or window is opened, everyone you share it with can receive the alert message
【0-100dB Loud Alarm Sound】 The door alarm sensor also works well without WiFi, it will sound an alarm if it’s triggered(It won’t send an alert notification to the phone without WiFi connection). You can set its alarm sound duration(the longest time is 180 seconds), and you can also set whether to delay the alarm sound to use it as freezer door alarm. The alarm volume is adjustable at will, there is no rigid volume level, just as you like(0-100dB)
【Wide Application & Low Battery Reminder】DAYTECH door open sensor can be widely used in your home security, such as: Scare off intruders, door open remind for kids safety and dementia patients and so on. You can also use it as a refrigerator door alarm by setting the delayed alarm time through the app(120s max.). When the window alarms is in low battery state, Tuya App will send a notification to remind you to change battery in time(you can check the remaining battery in Tuya App)
【Lifetime Customer Satisfaction】 Powered by 2 AAA batteries (included). If you have any questions during the process of connecting the wifi door alarm sensor to your mobile phone, or if there is any problem with the water sensor, please feel free to contact us via Amazon email, we shall provide you with a satisfactory reply