Battery warmer for 3.0, 4.6, 5.4 and 6.8 litre direct drive engine. Cold weather kit for 3.0, 4.6 and 6.8 litre direct drive units. Fits 60/70/80/150 kW and 2012, 48 kW models. Thermostatically controlled. Automatically turns on when temperatures fall below 40°F. Suggested for use when temperatures regularly falls below 10°F. Maintains optimum battery temperature for best starting. 120 V plug. Will require a voltage source. Includes 44 inch battery warmer with zip ties.