Humminbird XPTH-9-HW-T Dual Spectrum CHIRP Plastic Thru-Hull Transducer w/Temp [710279-1]XPTH 9 HW T Dual Spectrum CHIRP Plastic Thru Hull Transducer with Temp Plastic Thru Hull 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 1200ft. Includes built in temperature sensor, rugged composite design and 30 cable. Features: This accessory is compatible with the following Humminbird products: HELIX 5 CHIRP G2 GPS equipped models