Item Type: AC Voltage Converter Model: ST-2000VA Rated Power: 2000W Input Voltage: AC110V/220V, 60Hz(Selected by toggle switch) Output Voltage: AC110-120V, AC220-240V, 60Hz Output Socket Type: 2 Universal Socket Protection Mode: Circuit Breaker Protection Power Factor: 0.8 Power Phase Number: Single Phase Moisture Proof: Open Cooling Method: Natural Cooling Frequency Characteristics: Low Frequency Core Shape: Ring Plug Type: US Plug Power Cord Length: Approx. 137cm / 53.9in Size: Approx. 22.4 x 21.7 x 15.8cm / 8.8 x 8.5 x 6.2in1The control panel is simple and convenient to use with one-button switch 2The product has universal interface which can support a variety of electrical sockets. 3Built-in circuit breaker overload protection, it is safe and reliable 4The product is testing by standards for safe using, low noise 5Suitable for all kinds of electrical equipment in scientific laboratories, industry and home 1 x AC Voltage Converter&nbsp1 x English User Manual