Sonoff SNZB-04 Door/Window Sensor Housing
thingiverse
A housing to lift the senor away from the frame to align it with the magnet. This raises the sensor by 15mm, the sensor does NOT have to align flush with the magnet to work i believe a +- of 5/7mm will still work adequately. I decided to mount the sensor to the frame instead of the magnet to help preserve the device (Slamming of the door may end up loosening the battery or damage the electronics) It also enable you to remove the sensor for the reset button or change the battery.
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