Heated fresh water supply hose provides smooth flowing drinking water in sub-zero temperatures. The heating source is self-regulating, supplying additional heat as needed as the temperature drops © no thermostat is required. Heavy duty zippered insulation cuffs at each end are included for added freeze protection. PVC hose listed to standards NSF/ANSI 372 and NSF/ANSI 61Hose operates at 120VAC90 Watts6' cord lengthPlug lights up when attached to power source