The e Trex H Handheld Navigator, from Garmin, is a lightweight, waterproof, compact high sensitivity GPS receiver with the ability to save waypoints, routes & track-logs, making it the perfect entry level handheld navigation device. Its high sensitivity, WAAS enabled GPS receiver will locate your position quickly & precisely even when there is heavy cover or in deep canyons. The e Trex H has been designed to fit comfortably in the palm of your h&, with all 5 buttons located on the sides & the colour screen is sunlight-readable making this navigator incredibly useful & simple to use. The e Trex H is waterproof to IPX7 level & its bright yellow exterior means that you will be able to spot it easily if it is in your bag or the boot of the car! 2 x AA batteries will power the e Trex H for 17 hours & you can enjoy using this navigator & store up to 500 waypoints in memory for fast & easy retrieval. This e Trex H has the exclusive Track Back feature so that you can reverse your track log to help you to navigate back to your starting point.