Target sonar without transducer. Supplied with 7 meter cable and acoustic alarm.
Nasa Target sonar is/has: · 12 V 12 mA · 0.8 - 100 meters · Depth and shallow water alarm · Cool offset · Waterproof · 8 levels of backlighting · Large easy-to-read numbers - 40mm high · Repeater can be connected · Easy to install and operate · Protective cover
All NASA instruments are waterproof and are at a reasonable price level in relation to all the functions they have compared to other competing brands on the market.