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