Introduction:<br> Best for kid, children, toddler, boy, girl, teenager and adult<br> <br> A button--Power and Lighting Modes Control button.<br> <br> 1st-3rd button press : shift single light color in turn<br> 4th button press : auto change light color<br> 5th button press : mix color constant on<br> 6th button press : mix color fade in and fade out<br> 7th button press : turn off<br> <br> B button--Brightness and Rotation control button. <br> <br> Short press to adjust brightness as 100% - 50% - 5%<br> Long press for about 2s to control rotation function <br> Battery Style Power: 3 * AA battery or USB power supply( not include AA batteries)<br> Switch Type: Switch<br> Product Size: 15*15<br> Voltage: 12V.<br> One set include:<br> 1 x LED Projector <br> 1 x USB Cable (do not contain the plug)<br> 4 sets of film<br>