Sonoff DW2 RF Door & Window Alarm Sensor

• 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

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• Working Voltage : DC12V (Model: 27A 12V)
• RF : 433MHZ
• Emission current : ≤ 20 mA
• Quiescent current : ≤ 1.5 uA
• Wireless Transmission distance : Max. 50m
• Material : PC V0

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