4-Inch diagonal monochrome LCD with 4 level greyscale 188 Watts RMS transmit power Includes transom mount 83/200KHz transducer One year parts and labor warranty 4" Lcd Display High-detail 240v X 160h Pixel Definition With 4-level Gray Scale Resolution Crisp, Sharp Viewing In Direct Sunlight Screen Backlighting For Low-light Conditions Selectable Deep Water, Shallow Water and Fish Alarm Alerts Lowrance X-4 Pro Fishfinder. From Lowrance's industry-leading innovation comes the versatile new Lowrance X-4 Pro 83/200 kHz sonar, designed for productive shallow and deep-water fishfinding coverage, with superb target detail and separation, for both inland lakes or coastal angling. Packed with an advanced receiver design and a wealth of features, the new X-4 Pro is easy-to-use and easy-to-afford. It features a sunlight-viewable 4 in. Film Supertwist LCD display with detailed 240V x 160H pixel resolution and 4-level gray scale. It comes with an 83/200 kHz dual-search Skimmer transom-mount transducer w/temp sensor and up to 120° expanded fish detection coverage. Properly installed, it can operate at boat speeds up to 70 mph/61 kts. Transmit power is 1,500 Watts peak-to-peak/188 Watts RMS, which can sound to depths of 1,000 ft. on 83KHz. Automatic ASP tuning gives you the best picture possible, and GRAYLINE enhances target separation and helps define bottom composition. It has advanced Fish I.D. fish symbols with Fish Track target depth readings viewing option, and automatic ranging with instant screen updates. Other features include Auto and Zoom bottom track and Deep/shallow/fish alarms. The unit is completely sealed and waterproof for survival in the harshest environments.