Garmin GPSMAP 66sr, Hiking Handheld with Expanded GNSS and Multi-Band TechnologyHandheld, 3″ Color Display (010-02431-00) , Black

Large 3” sunlight-readable color display for easy viewing
Expanded global navigation satellite systems (GNSS) and multi-band technology allow you to get optimal accuracy in challenging locations, including steep country, urban canyons and forests with dense trees
Powered by internal Li-ion rechargeable battery, with up to 36 hours battery life in Standard Mode and up to 450 hours in Expedition Mode.