this well-priced unit be exactly right for the beginner geocacher . the ability to download detailed map -lrb- you have to buy the cd -rrb- make it even more usable in other context . it be small , light-weight , and , for the most part , easy to use for a product of this type . enter datum be a little cumbersome . my eight-year old son become proficient in the use of the Garmin eTrex Legend -lrb- without any prior gp experience -rrb- in less than twenty minute .