The Garmin 2.2 inch transflective GPS receiver solves the GPS locations and finds the correct route to travel. The device uses data collected from satellites and displays it on the anti-glare display protected from sunlight. It includes a worldwide base map with shaded relief. The users can wirelessly share their tracks, routes, geocache with another compatible device. The built-in antenna has an anti-jam capability which enables proper communication and detection of places. Product Attributes: Brand name - Garmin Model number - 30x. Weight - 142 grams Battery life - 25 hours Display resolution - 3.5x 4.4 cm. Product dimensions - 5.4 x 10.3 x 3.3 cm.