Hughes RV Autoformer Voltage Boosters & Surge Protector, 50 Amp

Park voltage drops as more RVs are plugged in and demand for power increases, causing appliances and electronics to draw more amps and create more heat due to inadequate voltage. Overheating results in shortened appliance life. Patented Hughes Autoformer constantly boosts power 2%. When shore power drops below 113 volts, it boosts power 10% to keep appliances operating at the correct voltage.Prevents low voltage circuit breaker pops. Keeps appliance motors from slowly burning out. Increases air conditioner air flow. Brightens lights. Prevents blackouts and brownouts. Easy to see indicator lights. Mfr. 2 year guarantee. Engineered and made in USA