hotshot satellite dish heater - 28"x 20" perfect vision this low voltage hotshot dish heater kit will keep your satellite dish clear of ice and snow. it has a built-in sensor that turns on heater in freezing conditions by a self adhesive heating element and will help prevent service outages due to signal loss caused by the buildup of snow or ice on the dish. it can also reduce rain fade by up to 75 percent. by simply attaching the self-adhesive vinyl pad to the satellite antenna.