Introducing the Spinmax Orbit. Just add any two leds of your choice and now you are ready to create great orbit light shows for your friends! Comes with two finger holders and our special orbit string. Uses two 1616 batteries for each side and they are very easy to replace. Comes assembled so you can start doing orbit light shows right out of the box! This new orbit light set comes with two programmable Imax SP2 chips so you can pick your own colors from a list of 29 different led colors and also pick your own modes. Simple ON/OFF Button Replaceable Batteries (CR1616) Finger Holders + String Included! Modes: Mode1 STROBE ( allows 6 color choices) (must choose 6 colors ) Mode2 HYPER STROBE (allows 4 color choices) (must choose 4 colors) Mode3 DOT STROBE (allows 4 color choices) (must choose 4 colors) Mode4 TRACER (allows 4 color choices, 1 background 3 dot colors) (must choose 4 colors) Mode5 RIBBON (allows 4 colors choices) (must choose 4 colors) Mode6 SLOW FADE (no color selection) Mode7 FADE (no color selection) Mode8 RAINBOW (no color selection)