Hawkeye DepthTrax 1H Handheld Depth Finder & Temperature ReaderHawkEye DepthTrax 1H Handheld Depth Finder & Temperature Reader is a compact, rugged tool that delivers fast, reliable depth and temperature data for fishing, boating, and field surveying. It provides instant depth readings up to 300 feet and temperature readings accurate to within 0. 1, helping you plan your line and depth strategy with confidence. Depth range: 2. 5' to 300' (0. 7 to 91. 5 m) for versatile water depths Depth readings: Instant depth