Car GPS Navigation 1145R 4. 5 inch digital LCD color screen, with touchable screen Built-in SiRF star III Chipset. 400 MHz or 266MHz processor for fast redraw and routing Receiving 20 parallel channels. Flip-up antenna includes MCX-type connector for optional external GPS antenna connection Portable navigation device, slim and compact size, WinCE OS, high compensability and easy operation Automotive and marine modes for easy navigation in a vehicle or boat Text-to-Speech unit prompts you to "Turn right on Main St. "instead of "Turn right in 500 feet" Muti-languages (text/voice) support 2-D views Fits easily in a pocket or purse Light weight, easy to carry contrast to other products Humanization interface and large screen, easy to use High-quality MP3 playback, picture viewer, New designed car bracket, easy to adjust navigation facilities with single hand. TMC function Built-in high capacity Battery Car adapter and AC adapter Built-in 1. 5-2 W speaker 512MB SD card.