New Genuine DELL 09RRC7 MS111-L Optical USB WIRED Scroll Mouse mice Look Black Wired USB Optical Mouse Cursor Tracking Speed: 1000 dpi (Dots Per Inch) Buttons Qty: 3; Orientation: Right and Left-Handed Color: Black Dimension (H x L x W) : 35.8 x 112.2 x 63.4 mm , Weight : 90g 10g(including cable), Cable Length: 1800mm 50mm