Shop Nilight 25FT Heated Water Hose RV 5/8”Inside Diameter -45°F Freeze Protaction Antifreeze Garden Drinking Hoses with Saving Thermostat and Smart Heat System for Winter Camper Supply Accessories in high quality, support 2-year warranty. Suitable for water hoses as low as -45°F. If the water temperature is below 23°F (-5°C), the heating system starts to work.If the water temperature reaches 60°F (15.5°C), stop work. You could avoid high electricity bills due to long continuous heating