... lithium battery 1000mahPowerDC 5V -1.5A, charged by car chargerFunctionGPS Navigation,FM transimitter, MP3/MP4, E-bookEnvironmentWorking temperature -10°C to + ... 70C Keeping temperature -40°C to +80°C AudioplayerSupport MP3, WAV, MID,DAT,ASXVedioplayerSupport MP4, AVI, ASF, WMV, SEFPhoto ... , setting open display)500pcsPhotos: 5inch gps navigation best for car with 128MB DDR 4GB wince6.0 (MF-5036)