USB Wireless Presentation R/C Red Laser Pointer - Black (3 x LR44)
Color: Black + silver - Material: Aluminum alloy - Connecting way: USB - Transmission distance: 100m - Cable Length: 90cm - Control distance: 10m (Max) - Working method: Laser - Laser Type: Red - Optical Resolution: 100 DPI - Powered by 3 x LR44 (included) - Laser pointer and page up / down functions - Suitable for teaching meeting speech training etc. - Supports Windows 98 / Windows 2000 / Windows XP / Windows 7 / Vista - It supports Word Excel PowerPoint etc. - Packing list: - 1 x Laser pen - 1 x Receiver - 3 x LR44 batteries