Never get turned around with this lightweight, weather-resistant unit that stores up to five locations. Easy-to-read distance and direction features are accompanied by a self-calibrating compass, time, temperature and latitude/longitude coordinates. Grayscale LCD screen measures 1-5/8" x 1-5/8" for easy viewing. Use the included USB cable to transfer up to 48 hours of data to your computer for analysis and tracking. Runs on three AAA batteries (not included). Dimensions: 4-1/4"H x 2-3/4"W x 7/8"D.