Airstar Automatic Voltage Regulator, model ST-5000A.
Capacity: 5.0 KVA.
Protection: Features I.C. powered regulation and overload protection to safeguard electronics.
Outputs: Provides dual output capability of 110V and 220V–240V at 50/60Hz.
Usage: Designed to protect appliances like TVs and refrigerators from high voltage surges