A concentrated coolant for water-cooled internal combustion engines that protects against frost

SonarHub is a high-performance sonar module that has both StructureScan HD + CHIRP sonar

pocket or belt

The gWind transducer has a three-bladed propeller and twin-fin design

Brass hose connector with external pipe thread

Nasa Compact batteri monitor BM-1, 12V gpsmap A concentrated coolant for water-cooledCompact battery monitor for 12V systems which continuously shows your power consumption, charge discharge time and number of Amp hours (charge discharge time). Nasa Compact battery monitor with parallel connection shunt and a cable that is ready to mount. Shows status during charging and time for charging discharging. This information provides more efficient use of the batteries, which can extend the life of your batteries and reduce the possibility