KENSINGTON Pro Fit LH Ergo Wirel. Mouse 80004518 K79810WW Product Description: Kensington Pro Fit Ergo Wireless Mouse - vertical mouse - 2.4 GHz Device Type: Vertical mouse - ergonomic Connectivity Technology: Wireless - 2.4 GHz Orientation: Left-handed Dimensions (WxDxH): 5.805 cm x 10.575 cm x 6.705 cm Weight: 80.5 g Wireless Receiver: Nano Buttons Qty: 6 Movement Resolution: 1600 dpi Performance: Realtime sensitivity switching 800/1200/1600 dpi Battery: AA type Manufacturer Warranty: 3-year warranty