The regulator is installed inline between the battery and fishfinder and will provide a constant 12V to the fishfinder right until the battery reaches its safety cutoff. Another use is to prevent your sounder from shutting off if you are running other high draw items such as a micropole.
Voltage: 12V (can be adjusted to any voltage)
Max Load: 5A
Case: Waterproof hard case IP67 (waterproof only when a lead is connected)