1. First Gear: Press the A button and the light gradually lights up. 2. Second Gear: Long press the A button for 3 seconds to set the current gradient color. 3. Third Gear: The switch turns into a flashing mode when the switch is pressed, and it bounces with the change of external sounds. Specifications: .Material: Plastic + Electronic Components .Product Weight: 200g .Package Dimensions: 30 x 30 x 6.5cm .Package Weight: 600g .Packing: Graphic Carton Package Content: .1 x Manual .1 x USB Cable .1 x Lamp