just arrived via email - this is Amazon's lowest every priced sat nav. TomTom ONE Great Britain Christmas Cracker Edition - Contains £10 Accessory Voucher TomTom ONE 3rd Edition - GPS receiver Product Type: GPS receiver Recommended Use: Automotive Dimensions (WxDxH): 9.6 cm x 2.5 cm x 8.2 cm Weight: 174 g;Maps Included: United Kingdom Included GPS Software: TomTom HOME Compatible GPS Software: TomTom Go maps Connectivity: USB GPS Functions / Services: Electronic compass, speed Voice: Navigation instructions Built-in Display: TFT - 320 x 240 - colour Built in 1GB Memory Waterproof: Yes Product Description: TomTom ONE 3rd Edition - GPS receiver Product Type: GPS receiver Recommended Use: Automotive Dimensions (WxDxH): 9.6 cm x 2.5 cm x 8.2 cm Weight: 174 g Maps Included: United Kingdom Included GPS Software: TomTom HOME Compatible GPS Software: TomTom Go maps Connectivity: USB GPS Functions / Services: Electronic compass, speed Voice: Navigation instructions Built-in Display: TFT - 320 x 240 - colour Removable Memory: 1 GB SD Card Slots: SD Memory Card Waterproof: Yes Depth: 2.5 cm Height: 8.2 cm Product Type: GPS receiver Weight: 174 g Width: 9.6 cm Battery Enclosure Type: Internal Technology: Lithium Ion Diagonal Size: 3.5" Display Menu Language: Danish, Hungarian, Czech , Slovak, Flemish, English, German, French, Italian, Norwegian, Portuguese, Polish, Finnish, Swedish, Spanish, Dutch, Turkish, Latvian, Lithuanian, Estonian Features: Touch screen, anti-glare Resolution: 320 x 240;Type: TFT Connector Type: USB Headset - Bluetooth Max Operating Temperature: 55 °C Min Operating Temperature: -10 °C Aerial: Built-in Software Included: TomTom HOME Voice: Navigation instructions