a)cable:8-20m b)frequence:200KHz c)power: 1KW/2KW/3KW d)material:Plastic e)compatible:Furuno,Garmin,Navman,Hondex,Koden etc. a)cable:8-20m.b)frequence:200KHz,c)power: 1KW/2KW/3KWd)material:Plastice)compatible:Furuno,Garmin,Navman,Hondex,Koden etc. 1KW,2KW,3KW Echo sounder transducer