SONOFF® DW1 433Mhz Door Window Sensor Compatible With RF Bridge For Smart Home Alarm Security
DW1 is a door and window alarm sensor. The door alarms can work with Sonoff RF Bridge 433. DW1 door alarm sensor detects the opening status and immediately sends alarm notification message to the app.
Ultra-low power magnetic dedicated microprocessor
Supports wireless frequency of 433.92MHz
200m wireless transmit distance
Built-in antenna provided
Less than 1μA quiescent current