The projector night light has 3 timer options-Built-in 1H, 2H, 4H auto off timer, the lamp will automatically shut off after the preset time.
How to use it:
1. Connect USB to computer(or others )
2. Turn the bottom switch on
3. Push the POWER BUTTON (the middle one among the five) for 3 seconds
4.Then comes out the light and music!
For more operation, please refer to the user manual