Mercedes Benz 300SL Gullwing Wireless Optical Mouse Plug and Play USB Nano receiver, 2 buttons and scroll wheel, 1 x AA battery (lasts for several months if lights are not used) 2.4GHz wireless technology, 10 metres range - System requirements: Windows 7/2000/XP/ME/Vista/Mac OS X LED headlights and red rear lights which can be switched on/off 2 years warranty - Officially licensed product Not suitable for children under 14