XSonic Airmar TM185 HW TM185HW Wide Beam – CHIRPS across the following bandwidths: High-Frequency: 150-250 kHz, 25 Constant Beamwidth – Depth & fast-response water-temperature sensor Urethane housing and stainless steel mounting bracket – Boat Size: 8 m to 12 m (25 to 40) – Boat Type: Outboards and I/O – Hull Type: Fiberglass, Wood, Metal -Can retrofit to existing TM258, TM260, TM265, and TM275 bracket