Logitech 931376-0403 G5 LASER MSE USB 2000DPI 6.4MP Logitech G5 Weighted USB 2.0Laser Gaming Mouse General Features: 2000 dpi laser engine Adjustable weight cartridge Full Speed USB interface Tracking Resolution: 2000/800/400 dpi (user selectable) Image Processing: 6.4 megapixels/second Max. Acceleration: 20g Max. Speed: 45&#8212;65 inches/second (depending on surface) USB Data Format: 16 bits/axis