2.4G wireless car mouse 1.2010 NEWEST CAR MOUSE DESIGN 2. usb ,or ps/ or u+p ... 3. CE ROHS FCC, STANDARD 4.800dpi 2.4G wireless car mouse1. 2010 NEWEST Car mouse2. key switch ... , key response ,and long life3..using the latest 2.4G optical sensing technology , precison positioning ,resolution of 800DPI4 ... Humidity: Not more than 85% RH Car series:We have wireless and wired Ferrari ,BMW,Poscer,New porche ...