DC Alternator ChargerCharges Three Trolling BatteryLED indicatorsRed check connection by batteryGreen alternator power onYellow charging trolling batteriesTurns off when engine not in useLow profile extruded aluminum enclosureWaterproof and corrosion resistant designFCC compliantWARNING This product can expose you to chemicals including di2-ethylhexylphthalate dehp which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P