LED Digital Display-Wider Use: The updated design of the digital display clearly and conspicuously shows the current operating status. Compact wall outlet surge protector can be plugged in directly, suitable for all kinds of applicable equipment, refrigerators, air conditioners, freezers, TV, ice makers, washing machines, microwave ovens, dishwashers, coffee machines, bread machines, water heaters, and electric fans, etc.What You Get: 15 amp surge protector,welcome guide. Support 24 hours customer service.Please feel free to contact us if you have any requests or doubts, We want our customers to be 100% happy and satisfiedAdjustable Voltage Surge ProtectorThe outlet surge protector has an adjustable minimum and maximum voltage. It can be adjusted according to your needs when the product is energized. Press the "SET" key and adjust the high/low voltage protection value and delay value of the protector through the "+" and "-" keysPremium Flame Retardant MaterialThe appliance surge protector is made of high quality ABS material. It makes our home electricity monitor more durable and fire resistant. The flame retardant material can meet the UL94-V-1.0 grade test and experiment standard.Enough peace of mind to play a safe and protective role.Professional Surge ProtectionEffectively protects refrigerators and other appliances from high/low voltage, blackouts, spikes, momentary surges, brownouts, voltage fluctuations, and power failures, thereby extending the life of appliances. Significant savings on repair costs