Genuine Alienware KKMH5, MODMUO USB Wired Scroll Wheel Laser Black Glossy Gaming 3-Button 1200 DPI Mouse Part Numbers: KKMH5, MODMUO Genuine Alienware Black USB Wired Scroll Wheel Laser Mouse Color: Glossy/Black Scroll Wheel | 3-Button (Including Scroll Wheel) Interface USB | Tracking: Laser | 1200 DPI Part numbers: KKMH5, MODMUO