Japanese Voltage Regulator (YOKOHAMA) Model: ST2000W Capacity: 2000 Watts A high-quality device for regulating electricity and protecting appliances from voltage fluctuations (high/low). It operates with a precise Servo Motor system for automatic voltage adjustment. Suitable for operating: * Computers * Monitors * Sensitive home appliances * Audio equipment It has volt meters that show the reading + indicators for protection (Low / Over). 🔹 Japanese made 🔹 Withstands long use 🔹 Has an on/off switch and protection The device is working, excellent, and very clean. I have never used it. The price is 500, negotiable, please do not lowball.