SONOFF DW2 Wi-fi Wireless Door Window Sensor ISD1820 3-5V Voice Module Recording And Playback Module with Microphone and 0.5W Speaker Building automation and HVAC control

Building automation and HVAC control

Ready-to-Build - All components included for immediate assembly

A 16-tooth pulley has a smaller diameter

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SONOFF DW2 Wi-fi Wireless Door Window Sensor ISD1820 3-5V Voice Module Recording And Playback Module with Microphone and 0.5W Speaker Building automation and HVAC controlSONOFF 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