The Furuno B265LH CHIRP transducer is designed for thru-hull applications. Durable bronze construction is ideal in marine environments. Includes depth and fast-response temperature sensor and high-speed fairing block. Features:• Low-CHIRPS from 42 kHz to 65 kHz, 25° to 16° beam width• High-CHIRPS from 130 kHz to 210 kHz, 10° to 6° beam width• 103 kHz of total bandwidth from one transducer• 50/200 kHz• Boat Size: 25' and longer• Hull Type: Fiberglass or woodCHIRP Technology:• 5 to 10 times greater detail and resolution• 10 to 1, 000 times more energy on targets• Accuracy down to 10, 000'• Precise separation between baitfish and game fish• Superior performance in noisy environments• Improved bottom tracking at high boat speeds Durable bronze construction resists corrosion Comes with high-speed fairing block | Furuno B265LH Bronze Thru-Hull CHIRP Transducer