Carmaer Modified Sine Wave 48V to 220V 500W Car Multi-function Double Digital Display Inverter Household Power Converter Features 1. Adopt intelligent adaptation technology to widely support most digital and household products on the market. 2. The built-in intelligent voltage monitoring chip can detect the battery voltage status at a glance. 3. When the body temperature reaches 40 degrees Celsius, the cooling fan is automatically turned on, which is highly efficient and energy-saving. The convection air duct design strengthens the air flow to penetrate, the heat does not stay, and the life is longer. 4. Power control mute fan, balance heat dissipation performance and mute, turn on the fan when the inverter power is greater than 100W, energy-saving and mute characteristics. 5. 9-weight security system, stable, reliable, and safe electricity use. Overheating, short circuit, voltage stabilization, over current, over charge, over discharge, anti-reverse, magnetic field, cell protection. 6. Buzzer reminder device: Once any protection mechanism of the inverter is triggered, the inverter will disconnect the power supply for the first time, and the load will enter the protection mode to remind you through the buzzer device. 7. Universal three-hole output interface + USB output port, strong applicability, compatible with most electrical appliances. 8. Good heat dissipation comes from design and materials. Surface concave-convex design + aluminum alloy casing effectively improves heat dissipation. Thicker aluminum alloy casing greatly improves heat dissipation and compression performance. Specification 1. Peak power: 500W 2. Continuous power: 380W 3. Digital input output voltage 4. Input voltage: 48V 5. Output voltage: 220VAC50Hz + 3Hz 6. USB output: 5VDC2.1A 7. No load current: less than 0.9A 8. Conversion efficiency: greater than 90% 9. Style: modified sine wave