SONOFF DW2-RF-433MHZ Sensor is a door and window alarm sensor. The door alarms can work with Sonoff RF Bridge 433. SONOFF DW2-RF-433MHZ door alarm sensor detects the opening status and immediately sends alarm notification message to the APP.
Send the alert to your smartphone when the door/window is opened.
Open the door to trigger lights on/off.
Compatible with IFTTT service to set more routines.
Share the sensor to make more users know the status of home.
Can check history records last 3 months.
Low power consumption technology maximize the battery life – up to 2 years.
Easy to install and remove.
Support Battery: 12V 27A
Wireless frequency: 433.92MHz
Quiescent current: ≤1.5μA
Emission current: ≤20mA
Operating environment: -10°C-50°C (14°F-122°F)
Battery type: Alkaline battery (Note: this model doesn't come with batteries)
1 x SONOFF DW2 RF