10000 watts maximum capacity with 80% efficiency. Converts 110/120V to 220/240V OR converts 220/240V to 110/120V. Compatible with 50Hz/60Hz and Single Phase 220/240V On/Off switch with indicator lamp. Voltage stabilizer good for countries with unstable voltage supply. This stabilizer can regulate big range fluctuating voltage into general voltage output. Input Voltage AC 75V-130V or 180V-260V. Output Voltage: AC 110V+-4% or AC220V+-4%. Durable Design with 2 Heavy-Duty Carrying Handles. Circuit Breaker Fuse protected with built-in thermal fuse - protects damage to your valuable equipment from voltage fluctuation. Comes with terminal connectors - Hard wire input required.