Yoswit

Yoswit specializes in R&D and manufacture of premium Bluetooth Smart Wall Switches. Every product utilizes BLE as the wireless connection to the on board processor, real time clocks, memory and more. You don’t need to do any pairing, setup or configuring routers. Yoswit is a replacement of traditional wall switch and make your home smarter.

Permission
Modify system settings permission
The app needs permission to modify system settings to change the brightness of the lock screen.