> single press the head switch light/long press to adjust the brightness, which can be infinitely dimmed.
> sound, touch and vibration can wake up the bright screen display.
> countdown function+snooze alarm clock+night light
> press and hold "+-"for 2 seconds at the same time to turn off the power.
> process engraving: warm light/white light/natural light.
> remote control colorful version: colorful remote control function, colorful breathing gradient, colorful monochrome color fixing.