Pirit PWL-03-12 Heated Hose, 12-Feet 1/2" inner diameter, 90 watts 0.75 amps 120 volts 60 hertz Thermostatically Controlled, turns on when temperatures are below 45Degree F, off when temperatures are above 50Degree F Certifications: UL listed, MET approved, FDA approved materials One-Year Warranty