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            Features for Sonoff DW1 Sensor
- 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
 
Specifications for Sonoff DW1 Sensor
- 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
 
                        
                    