Multi-function Ambient Lighting - ocean wave projector colorful lights onto the ceiling and walls in any smooth space. The RGB remote control can perform 16 color changes, 6 levels brighss adjustment and 4 dynamic modes. Easily customize the light color, brighss, and movement speed to create the great atmosphere for relaxation or imaginative play. Ultrasonic top Cover Fixation - Transparent top ultrasonic link base design, customized for special people, others can ignore this article. (In violent collision, the top cover will automatically fall off to protect special populations) Dual Energy Model - aurora light can be powered by a Tpye C direct plug-in or outdoors using high quality alkaline AAA batteries. Not only can you turn on and change the light by touch, but you can also use the remote control for more operations. Autism Treatment Assistance - This only aids in treating autism for some people, especially some lights that have unused meaning to them. Please give them more patience, this comes from a friend of mine. After-sales is still valid, please if you have any questions. Remote Control - The aurora light uses four projection modes, including color jump conversion, gradient color switching, static/dynamic switching, and neutral color superposition, It is an excellent auxiliary water ripple light for decorating the room and taking pictures. RGB table lamp maps 3D visual flame/aurora kinetic patterns on the wall under the effect of colored lights.