Endura 153; Out&backSETS THE STANDARD IN AFFORDABLE EASE-OF-USE IN OUTDOOR GPS NAVIGATIONOperate intuitively with color TOUCHSCREEN straight forward menus and hot key physical buttonsUpgrade with additional outdoor content any time you wish for many specific activities through download or plug-and-play Micro SD cardsAdd shared web community content including routes/trails POI's elevation data etc. in GPX format through drag-and-drop to the deviceFEATURES AND BENEFITS:Color 2.7 (6.8 cm) touch screen optimized for outdoor use Easy to understand basemap with hill shade topographic contours primary roads and key POI's Geocaching capable with multiple specific functions and compatibility with Geocaching.comTrip computer and route recording to track performance and share with friends or web communitiesSport specific trail content available for purchase online for hiking mountain biking skiing snow mobiling kayaking off road/ATV and many morePicture Viewer for viewing photos loaded from computer or web or for use with trail cameras Multiple Mounting Options with two lanyard attachment points for lanyard RAM Mount handlebar mounts etc. Power standby mode with indicator light saves battery while allowing ultra fast startup KEY PHYSICAL SPECIFICATIONS:Dimensions (HxWxD): 5.1 x 2.3 x 1.2 Weight: 5.8 oz/165 g (without batteries) Micro SD card slot for up to 32 GB cardsMini USB port for power and data cablesWaterproof (IPx7) with rubber armoring Uses two AA batteries (not included) Product : LOWRANCE ENDURA OUT&BACK GPS HH Manufacturer: LOWRANCE Manufacturer Part No: 125-38 UPC : 042194533889