Sonoff DW2-RF Sensor:

• No matter where you are, the Sonoff dw2 sensor can assist in locking your door or window and letting you know if your house is secure. However, when the window or door is opened, the sensor can send an alert to your smartphone alerting you to an intruder. You can see the identity of the intruder on the sensor page of the application by connecting the SONOFF wireless IP camera as well. Through the eWeLink APP, you can receive real-time alerts anytime your window or door is opened.
• You can be sure you know just how long the sensor can run for and when to replace the batteries thanks to the low-battery notification and real-time battery level display. It fits into window sills and door frames easily with a straightforward peel and stick installation.
• Operates only with a Sonoff RF Bridge.
• The DW2-Wi-Fi is a two-piece device; the magnetic switch is attached to the frame, and the transmitter is designed to go onto windows or doors.
• If the door or window is opened or closed three times a day, the sensor will last for a full year.

Features:

• Continue to connect to SONOFF smart devices to generate different smart scenes.
• Turns on or off your light as you enter a room.
• Alert you when the window or door is opened
• Verify the window or door opening on the app.
• Permit your family to use the sensor to monitor and manage your house.
• Support using the APP to check history records
• Low-power technology is used to extends the life of the batteries.
• Peel and stick installation that is simple to use and swift.

Specifications:

• Battery Model: MN27A 12 Volt
• Working Voltage: DC 12Volts
• Quiescent current: 1.5 μA
• RF 433
• Material: PC V0