Garmin GT21-TM Transom Mount Transducer, Traditional 600W, 50/200kHz, ClearV CHIRP 500W, 260 455kHz [010-01962-00] Marine Navigation & Instruments | Gauges Compatible hull material: Aluminum and

Compatible hull material: Aluminum and fiberglass

in addition to its impressive long-range target detection

Ability to display different types of vessels by color

For the ultimate in convenience

Garmin GT21-TM Transom Mount Transducer, Traditional 600W, 50/200kHz, ClearV CHIRP 500W, 260 455kHz [010-01962-00] Marine Navigation & Instruments | Gauges Compatible hull material: Aluminum andGT21 TM Transom Mount Transducer, Traditional 600W, 50 200kHz, ClearV CHIRP 500W, 260 & 455kHz Perfect for coastal and offshore fishermen who want traditional sonar and CHIRP ClearV scanning sonar. This transom mount transducer consistently displays clear and crisp fish arches with superior target separation as well as clear definition of structure below the boat. The CHIRP ClearV element has a power rating of 500W and operating frequencies of 260 455