Physical & Performance:Unit dimensions, WxHxD: 2.4" x 6.1" x 1.3" (6.1 x 15.5 x 3.3 cm)Display size, WxH: 1.5" x 2.2" (3.8 x 5.6 cm)Display resolution, WxH: 160 x 240 pixelsDisplay type: 256 level color TFTWeight: 7.5 oz (213 g) with batteriesBattery: 2 AA batteries (not included)Battery life: 18 hours, typicalWaterproof: yes (IPX7)Floats: noHigh-sensitivity receiver: yesInterface: serial and USBRoHS version available: yesMaps & Memory:Basemap: yesPreloaded maps: noAbility to add maps: yesBuilt-in memory: noAccepts data cards: 64 MB microSD™ card (included)Waypoints/favorites/locations: 1000Routes: 50Track log: 10,000 points, 20 saved tracksFeatures:Automatic routing (turn by turn routing on roads): yesElectronic compass: yesTouchscreen: noBarometric altimeter: yesGeocaching-friendly: yesOutdoor GPS games: yesHunt/fish calendar: yesSun and moon information: yesTide tables: yesArea calculation: yesCustom POIs (ability to add additional points of interest): yesUnit-to-unit transfer (shares data wirelessly with similar units): noPicture viewer: noThe GPSMAP 60CSx adds several performance-enhancing features to the popular 60-series products, including a removable microSD™ card, high-sensitivity GPS receiver, barometric altimeter and electronic compass.Pinpoint Your Location — and DirectionWith the GPSMAP 60CSx, you can find your way in almost any conditions:* High-sensitivity GPS receiver gives you improved satellite reception even in heavy tree cover or deep canyons* Barometric altimeter provides extremely accurate elevation data* Electronic compass can determine your heading and direction, even when you're standing still* IPX7 waterproof case can withstand an accidental dunk in the water and still perform* Large, color TFT display makes viewing the screen easy, day or night* Built-in Americas autoroute basemap, including highways, exits and tide data, gives you automatic, turn-by-turn directions