eTrex 20 (010-00970-10) takes one of the most popular and reliable GPS handhelds and makes it better. Redesigned ergonomics, an easier-to-use interface, paperless geocaching and expanded mapping capabilities add up to serious improvements for an already legendary GPS handheld. eTrex 20 is versatile. It's tough. And its built to handle whatever Mother Nature can dish out -Durable and waterproof. Features include an enhanced 2.2 in 65K color, sunlight readable display. With its microSD card slot and 1.7 GB of internal memory, eTrex 20 lets you load TOPO 24K maps, BlueChart g2 and City Navigator NT. With an array of compatible mounts, eTrex 20 is designed for use on ATVs, bicycles, in boats, as a handheld or in your car. Battery life 25 hours - USB Cable included