To reset you smart wall mount control box shut off the breaker to the light and delete the device from the app on your smart phone by launching the app and tapping on the three dots in the right corner. Tap on "device management" then "delete device". Turn the breaker back on and set the light to sync mode by turning the switch that provides power to light off and on three times until the light starts to flash white. Add the device again to the app. Once the device is connected you should be able to control the light with the app.