The Logitech® G7 Cordless Mouse delivers an enhanced cordless performance with a high resolution 2000 dpi laser engine that delivers an astounding 6.4 megapixels per second. It features a 30-pixel by 30-pixel sensor array and precision laser technology for enhanced performance and tracking. Armed with an USB interface, the G7 delivers blazing speeds and instant acceleration. Additionally, a 2.4 GHz wireless connection 'bulletproofs' your mouse connection against lags and interference dropouts. The G7 also includes two hot-swappable Li-ion battery packs with a five-level power indicator, which recharge while you are racking up points, thus ensuring that dead batteries won't stop you mid-mission.