Ramtech 14.5-inch Universal Long Hand Wrist/Neck/Shoulder Strap Lanyard For Garmin Alpha/Astro/Delta/Dakota/eMap/Montana/Monterra/Oregon Series Handheld GPS - WS165

heist John here from GPS training what we do in this short review a look at the best top-end GPS unit currently on the market the three units we're going to look at the GPS map 64's the Oregon 600 700 range and we'll also look at the Montana 610 680 range what are the main difference been the units that we're going to look at today we're looking at the Oregon range of 600 and 700 range we've got the GPS map 64's which is a button GPS unit where the other two are touchscreen and we've got the Montana 610 680 which is a larger touchscreen GPS unit one of the key things is that the Montana has a lithium battery built in the back we have a lithium battery in the back which can be taken out if need be and put in three double A batteries but this lifting battery performs very very well a cold temperatures the other thing about the Montana it has a touchscreen unit which can be used with glove