NorCross Marine Waterproof Infrared Thermometer Infrared thermometer delivers immediate temperature readings of any surface Provides clear water, engine, break, and bearing temperature readings from zero to 400 degrees Take water temperature readings while racing to the fishing grounds, or measure powerhead, riser, block, temperatures to pinpoint water circulation problems One-hand operation and back-lit display; waterproof, floatable, and accurate Comes with a two year warranty