Rock Band 3 - Wireless Fender Stratocaster Guitar Controller for Wii - Cherry Auto-calibration sensor easily and accurately syncs to any type of TV Improved strum bar for greater precision and accuracy / Faster, quieter smooth-action fret buttons Extra set of fret buttons for finger tapping solos or just showboating / Tilt sensor for Overdrive activation Supports Electro-Harmonix Overdrive Stomp Box (sold separately) 3 AA Alkaline batteries included / Wireless connectivity