Feature: 1. Instantly Project: Instantly project a moon and a changing nebula, with multiple projection modes, which can be adjusted by buttons or remote control. 2. Soothing Lighting Effects: With soothing lighting effects, it can create a relaxing environment in any room, which is an excellent gift for adults and children. 3. Sound Control: Press this button will open the sound control . Whether projector receive the outer sound or DJ music , LED and infrared way with the musical rhythm. 4. Power Adapter Requirement: This power adapter of the product requires USB DC 5V / 2A. ​5. Inspected Strictly: This product has been inspected strictly and completely before leaving the factory. Specifications: LED clouds power: 2 * 4W LED projective power: 1 * 1W Green infrared device: safety degree: class I, 532nm, < 1MW Power input: USB DC5V / 2000MA Temperature: 14℉-104℉ ( -10℃-40℃ ) Projective area: 161-558 square feet ( 15-50 ㎡) Size: about 90MM/3.54 inch Packing List : Star Projector x 1 Bottom Bracket x 1 Fixed Sticky Glue of Bottom Bracket x 1 Telecontroller x 1 USB Line x 1 Instructions x 1