UPGRADED DISPLAY - Features a 2.2" 65K color sunglight readable display offering increased resolution (240 x 320 pixels)
LOAD MORE MAPS - Large 3.7 GB of internal memory and microSD card slot lets you load a variety of maps, including TOPO 24K, HuntView, BlueChart g2, City Navigator NT and BirdsEye Satellite Imagery (subscription required)
PRELOADED BASEMAP - Includes a worldwide basemap with shaded relief
BUILT-IN SENSORS - eTrex 30x adds a built-in 3-axis tilt-compensated electronic compass and a barometric altimeter which tracks changes in pressure to pinpoint your precise altitude, and you even can use it to plot barometric pressure over time
WIRELESS - Wirelessly share your waypoints, tracks, routes and geocaches with other compatible devices -simply press "send" to transfer your information -also wirelessly connects to compatible Garmin devices, including VIRB and accessory sensors.