Features: 100% brand new and good quality RGB LED Demon Eye Halo Rings Can remote control the lights turn on/off, changing color and flashing of the RGB LED demon eyes Powered by 30pcs high power RGB LED lights, which is 5 times brighter than other standard design Better comprehensive shape with the aluminum circuit board Flexible design, universal for 3.0"/2.5" rings For the 2.5", you only need to cut off 3 LED before the black load resistor Can download free app on your IOS or Android phone, no worrying about losing your remote controller 360 degree lighting output for charming demon eye (also known as devil lights) Made for 3.0/2.8/2.5 inch projector retrofit (direct fit for most 2.5"/3.0" projectors) Control: Bluetooth wireless control (download the free app on your smart phone) Made with an aluminum circuit board for better heat dissipation and a more secure installation Over 30 flashing/strobe modes with music responding feature There's no need for double-sided tape Super Easy Installation: 1.Fit the devil eye at the rear of the lens, and input wire downward. 2. Use glue to make the devil eye and the projector lens fixed together firmly. 3.Connect the power cord. 4.Download the free Bluetooth Control App(IOS / Android) to contect theRGB LED devil eyes lamps and set the color. 1pcs x LED Devil eyes Light Ring Our working time is 9am-18pmChina time If you have any problem,pls feel free to contact us ,we will try our best to help you resolve it. If you satisfy with our service, your positive feedback will be appreciated. Your encouragement and support will always keep us forwards. Many thanks! Please allow 1-3mm error due to manual measurement. The colors may have different as the difference display, please understand.