Safe low-voltage 24 VAC heater  Does not require hiring a licensed electrician for installation Automatic thermostat turns ‘on' just above freezing temperatures and ‘off' when the dish surface warms up Durable Vinyl material lasts a long time Etched foil resistance heating element Multiple heat zones apply the maximum heat where it's needed most 3M Acrylic adhesive assures a tight bond to the antenna Conforms to the reflector curves and angles One hundred feet of electrical cable provided Heavy-duty wire-wound power transformer provided