Airmar SS510 DT 200Khz Echo Range Sensor 20m Colour:Default On the side is a

On the side is a roll-out waterproof changing mat so you can step right out of your waders onto a dry surface avoiding soggy socks or punctures

Range: 0 to 359

Adjustable shoulder and side straps means one-size fits all

Indicates X or S Band Radar reception by unique LEDs

Airmar SS510 DT 200Khz Echo Range Sensor 20m Colour:Default On the side is aRiver & Harbor Survey 200 kHz Broadband 500W RMS Power power rating is at 2% duty cycle Embedded transceiver with digital signal processing Outputs depth & temperature using NMEA 0183 data output Robust 316 stainless steel housing for fixed or portable mounting Minimal sidelobes for concentrated energy on target providing excellent definition Short threaded stem simplifies attaching to portable mounting apparatus Internal transformer provides