Raymarine R99 1Kw 50-200 kHz Cast Resin Through Hull Transducer

R99 Depth and Temperature Through Hull Cast Resin Transducer. Compatible hull material: metal fiberglass and wood. Max Power: 1000 watts. Frequency: 200/50 kHz Cable: 30ft (9.1m) cable with connector for connection to CP370, CP300, DSM30, DSM300.