SONOFF Smart Home Alarm SecurityDoor Window Sensor Compatible With RF Bridge


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  • 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

Support Battery 12V 23A
Wireless frequency 433.92MHz
Protocol EV1527
Quiescent current ≤5μA
Emission current ≤10mA
Operating environment -10℃-50℃ (14℉-122℉)
Product Size 77*49.5*18.8mm
Battery length 27mm, diameter 10mm, this model doesn’t come with battery
Weight 45g

Package Includes
  • 1 x DW1 433Mhz Door Window Sensor
  • 1 x User Manual