For serious boaters who want to extend their season to the "xtreme". Instead of winterizing, why not USE your boat during the fall and early spring? The Xtreme forced air heater is an efficient bilge heater that extends battery life and keeps your engine compartment and its critical components warm and dry. Designed to fit easily in any boat’s engine compartment. Automatic thermostat turns on at 40°F and shuts off at 52°F. Will not overheat. Fully anodized inside and out for superior protection from the elements. 20 foot power cord with a 3 prong plug easily reaches from heater mounting point to circuit protected outlet inside cabin. Comes with manufacturer’s 1 year warranty. Available in three models.