Amarine-made 12v/24v On/off Battery Isolator Kill Switch Boat, Caravan & Rv 1250 Amp/275 Amp Rated at 1250 Amps Intermittent, 275 Amps continuous at 12V Flush Mount Disconnects the battery safely, to eliminate any power draw from the battery when vehicle or boat are not in use. UV stabilized bakelite vapor-proof housing - Built to last in marine conditions 4 mounting screw holes (mounting screws not included)