Compact size is perfect for hiking, hunting, camping, fishing, or any activity where you need to pack light. 12 parallel channel GPS receiver. Smallest, go-anywhere GPS. Rugged, waterproof construction. Simple, one-hand operation. Internal patch antenna. Operating buttons on side so there is more room on the front for display. The bright yellow color makes it easy to find if dropped. High resolution screen with bright backlighting. Ergonomic design, easy to operate withone hand. Features: Stores 500 waypoints with symbol. Automatic track log saves up to 10 tracks to retrace your path. Stores 1 route with up to 50 waypoints. Very Compact size: 4.4 x 2.0 x 1.2 inches (11.2 cm x 5.1 cm x 3.0 cm). Weighsonly 5.3 ounces (150 grams) with batteries. Up to 22 hours use with only two "AA" batteries (not included). Message for arrival. Meets rigid IEC 529 IPX7 submersible standard. Memory backup. Multiple map zoom levels. Limited one-year warranty.