1.Automatic Voltage Regulator 2.Visual indicators LCD 3. 6 NEMA standard outlets 4.220VAC/120Vac Home voltage power stabilizer 220v Main features:Automatic Voltage Regulator Automatically changes and corrects the output voltage, carefully following the input voltage Visual indicators LCD(input voltage/output voltage) Provides the user with the AVR functions status Protects telephone,Internet,DSL, ...