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 operationsMulti-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 brightness adjustment and 4 dynamic modes. Easily customize the light color, brightness, and movement speed to create the great atmosphere for relaxation or imaginative playRemote 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 lightsUltrasonic 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)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 service is still valid, please if you have any questions