INPUT: 150V-250V Output: 220+-3%110v+-3% Phase: Single Phase SVC Automatic Voltage Stabilizer use continuously variable auto-transformer, buck and boost transformer, AC synchronous motor, IC loop control system. It features low waveform distortion, high efficiency, high powerfactor. It can be widely used in places where voltage is unstable. Input voltage150V-250VOutput voltage220V±3%,110V±3% ...