The Garmin® FishFinder 250C offers abundant features for the serious angler. It boasts a 16-color, sunlight readable CSTN display with an adjustable CCFL backlight and provides 500 watts (RMS), 4000 watts (peak-to-peak) using a dual frequency transducer. See-Thru® technology separates fish from thermoclines and structure and the Depth Control Gain (DCG®) provides detailed images of structure and bottom densities.