Expose Usb Wireless Optical Mouse Plastic Mouse: 9 (L) X 5.4 (W) X 1.6 (H) Photo/Logo Area: 4.4 (L) X 4.4 (W) Presentation Tin: 12.7 (L) X 9.5 (W) X 3.3 (H) Included 2 X Aaa Batteries Included