Features: 1.Projecting colorful lights on the smooth ceiling or walls to create a romantic, relaxing and delightful atmosphere. 2.The audio system is equipped in the base to provide more sensational acoustic effect. 3.Allows you to project the light straight up or point in a different direction according to your needs. 4.Perfectly fit for any holiday party decorations to create an enjoyable and relaxing bedtime experience for children, comfort kids to sleep. Specification: Maximum LED power: 2* 4W. Green laser: 1MW. Power Input: USB DC5V / 2000MA. Protection Level: IP44. Operating Temperature: -0℃ To 40℃ (14℉ and 104℉). Projection Coverage:15-50㎡(161-538 ft²). Dimensions: 164 x121mm. Input voltage: 110-220V. Output Voltage: 5V/2000MA. Product power: RGBW2*3W (total 6W). Power supply mode: USB line power supply (mobile power supply, computer, mobile phone adapter). Music Mode: USB,bluetooth. How to use: 1. Indoor use, projecting in the sky direction. 2. How to use the light projection, as shown below. 3. The mobile phone bluetooth connection "BTK10" can play music. 4. Use the correct method of the remote control to make sure the remote control is pointing at the infrared sensor. Package include: 1 x Projector Lamp. 1 x USB Cable. 1 x Remote Control