Comanro DM003 High DPI(800 1200 1600 2400) Gaming Mouse with 4 LED (Red, Yellow, Purple, White) Indicator Light for PC Laptop Notebook Computer Low-friction base smoothly glides over work surfaces Four Level DPI for game user, can change different speed. DPI:800-1200-1600-2400 Built-in Super bright LED flashlight in case you are stranded at night High-precise optical sensor and sturdy construction deliver reliable performance Suitable for both left and right handed users Support Systems: Windows98SE/2000/ME/XP/Vista/7compatible