Lowrance iFinder Water Resistant Hiking GPS Handheld GPS+WAAS navigator with built-in custom Lowrance detail map 12-parallel-channel GPS and WAAS receiver; 2.9-inch backlit LED screen with 160 x 120 resolution 1,000 waypoints and 1,000 event markers; saves up to 100 favorite plot trails with 10,000 points in each Single MMC/SD card slot stores map files (card not included); dual easy and advanced navigation modes Measures 2.54 by 5.58 by 0.95 inches (W x H x D); 1-year warranty