SONOFF DW2 Wi-fi Wireless Door Window Sensor 3.5 RPM DC Geared Motor add the Adafruit nRF52 board

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7V (Nominal) Capacity 220mAH Battery Type Lithium Polymer (LiPo) Model LB-601040 Chemistry Li-Po Cycle Life 500+ charge cycles Dimensions 60mm x 10mm x 40mm (approx

SONOFF DW2 Wi-fi Wireless Door Window Sensor 3.5 RPM DC Geared Motor add the Adafruit nRF52 boardSONOFF DW2 Wi fi Wireless Door Window Sensor The SONOFF DW2 is a Wi Fi enabled wireless door and window sensor that detects opening and closing events through magnetic reed switch technology, transmitting real time alerts to your smartphone via the eWeLink app. Security professionals, facility managers, and home automation enthusiasts rely on this device to monitor entry points, track unauthorized access, and integrate door window status into