4 Led Indicators: Light indicators for Normal Voltage, Over Voltage, Low Voltage and Waiting Cycle. 4 Mode Led Indicator can let you know the power status of your home appliances in a simple and clear way. Directly Plug In DesignEasy to use.Professional Protection: Protects against high and low voltage, brownout, spike, instant surge, power failure, voltage fluctuation and load shedding. The shell is made from PC flame retardant material. It can take full care of your home appliancesLifetime Support & Warranty: Backed by s 3-year warranty and 24/7 customer service, your investment is fully protected. Our surge protector comes with a no-questions-return policy. Join 50,000+ satisfied customers who trust surge protection products for valuable electrical systemnow for peace of mind in your warm home.Best Surge Protector for Home Appliance: Suitable for Refrigerator, Air Conditioners, PC, TV, Freezers, Ice Makers, Washing Machines or other valuable household electronic.3 Mins Period Time: Sometimes multiple voltage surge may occur within one minute. A short-term delay surge protector can cause the refrigerator power cycling quickly, potentially causing significant damage to the compressor. To protect your valuable home appliances, we recommend using surge protector with a 3-minute delay.