Blue Sea 2146 ML-Series Remote Control Contura Switch - ON-OFF-ON 
Pole/Throw: SPDT Action: ON OFF ON
Vibration, shock, thermoshock, moisture and salt spray resistant
WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.