The QASA AVR-PRO 10000i is a 10,000VA (10kVA / 10,000W) Automatic Voltage Regulator and Wall-Mounted Stabilizer engineered to safeguard entire households or office setups from aggressive power fluctuations. It relies on Low Voltage Superior (LVS) technology and a Soft Touch Relay (STR) system to automatically step up low currents and step down high voltages, keeping your output capped at a safe 230V.