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![[Ordinary mechanical switch becomes intelligent in seconds] Wall switch modification module-double open](https://images.nexusapp.co/assets/d2/b9/bf/132370007.jpg)
![[Ordinary mechanical switch becomes intelligent in seconds] Wall switch modification module-double open](https://images.nexusapp.co/assets/b3/b8/ff/249590311.jpg)
[Ordinary mechanical switch becomes intelligent in seconds] Wall switch modification module-double open
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