0.0V drop ignition fed / D+ charging relay. 160A / 12V 400A surge on relay 30 second delay between signal feed and relay closing circuit Ignition Fed / D+ / L / 61 - any signal can be utilized IP65 fully waterproof w/ red rubber boots for insulating terminals WARNING: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.