The Oregon GPS Series has more features, more power, the most rugged touchscreen, and the brightest, sunlight-readable touchscreen ever offered on a Garmin Outdoor device. This device is designed for excursionism, with features including a 3″ sunlight readable touch screen with dual orientation; 3-axis compass with accelerometer and barometric altimeter sensors; a world basemap with shaded relief; and dual battery system: 2 AA batteries or rechargeable NiMH battery pack (optional).