This device is an Automatic Voltage Regulator (AVR) of the Matsunaga Stavol SVC-1500N type, used to protect electrical appliances from voltage fluctuations. Specifications: Operates with Servo Motor Control technology. Power: Its total capacity is 1500 Volt-Amperes (1500VA). Outputs: Provides dual power outputs of 110V and 220V. Features: Includes a Soft Start feature and an analog meter for voltage monitoring. Price: 300