The Garmin Edge 605 GPS with MicroSD - City Navigator NT is a unique GPS-enhanced cycle computer that provides extensive and accurate data to make this an invaluable training partner. Completely wireless operation making installation easy. Uses a high-sensitivity SiRF GPS receiver to track your movements and Virtual Partner lets you race against a virtual competitor or against yourself when repeating a route. Includes Garmin Training Centre software for post-ride analysis or workout planning. The large screen can be backlit at night for easy viewing and customised to show the data you want using a rechargeable li-polymer battery providing up to 15 hours operation. Unit dimension (cm) WxHxD: 5.1x10.9x2.5. Weight: 104.9g. The package includes microSD - City Navigator NT Europe which features: - Detailed maps of major metropolitan areas in Europe including motorways national and regional thoroughfares and local roads. Now with expanded points of interest and full postal code support in the UK, will automatically create point-to-point routes on your NT compatible Garmin GPS.