TomTom GO 920T Portable GPS Vehicle Navigator with Traffic Receiver (Discontinued by Manufacturer) TomTom is the world's largest provider of portable navigation solutions 4 Gb Internal Flash, 4.3 inch color LCD Pre-loaded maps of USA, Canada & Europe from TeleAtlas Bluetooth for Hands-Free calling, PLUS services and audio output Rechargeable internal 5 hour Lithium Polymer battery