VS-20000 Step Up/Down Voltage Transformer with Built-in Voltage Regulator, 20000W deluxe 2 are 220 volts and

2 are 220 volts and 2 are 110 volt

Dimension: NA

Input: 100/120V

Output Voltage Selection: 0V to 30V DC

Maximum Capacity: 1000 Watt

VS-20000 Step Up/Down Voltage Transformer with Built-in Voltage Regulator, 20000W deluxe 2 are 220 volts andWeight: 145 Lbs Dimension : 16. 75" x 16. 5" x 23. 5" 20000 watts maximum capacity Converts 110 120V to 220 240V OR converts 220 240V to 110 120V Compatible with 50Hz 60Hz. On Off switch with indicator lamp Voltage stabilizer good for countries with unstable voltage supply This stabilizer can regulate big range fluctuating voltage into a general voltage output. Input Voltage AC 75V 130V or 180V 260V. Output Voltage: AC 110V+ 4% or AC220V+ 4%. 5