gps navigation,4.3inch car gps with super slim body 1. 4.3 inch TFT touch ... signal receiver: 20 Channels9. Built-in 128MB SDRAM10. Antenna: with GPS internal porcelain Antenna 11. With FM Transmitter12. Battery: 900 mAH ... lithium battery13.support different map:Route66, I-GO, Ndrive,ect14. support 19 languages including: French, German, Spanish, Holland ...