XNT 14 HW T Plastic Transom Mount Transducer (710285-1) by Humminbird®. Measures: Depth/Temperature. Frequency: 140-240kHz. Transom Mount Dual Spectrum CHIRP Transducer supports Dual Spectrum CHIRP 2D Sonar with high frequency beam and wide cone angle, offering CHIRP range of 150-220kHz and max depth of 1200' Includes built-in temperature sensor, all metal bracket and 20' cable.