Virtue Software has the most firing modes, is the easiest to use and program, and has the most advanced eye logic and trigger algorithms. Features: Fits the Invert Mini Worlds fastest semi auto Fully adjustable ramp modes Breakout mode! Full auto X-Ball ready PSP mode NXL mode Auto response mode Select-a-mode and training mode! Increased processor speed for faster response times Advanced memory chip with lifetime free upgrades Ultralite Multi-color LED with easy "no tools" LED programming menu Easy plug and play installation Wireless adapter port - Pulse and future Virtue wireless upgrade ready! Lifetime warranty and free software upgrades through Virtue Paintball