Feature: 1. ALUMINUM ALLOY MATERIAL: Made of premium aluminum alloy material, the power inverter is strong and sturdy, wear resistant and impact resistant for long term use. 2. 500W INVERTER: With 2 USB interfaces and 1 universal socket, this inverter can charge sensitive electronic devices. 3. FAST CHARGING: DC to AC power supply with continuous output, peak power up to 1000W surge capacity, converting 12V DC battery power to standard 110V AC. 1 AC power outlet used to power large devices such as laptops and tablets, or any other household appliances below 500 watts. USB can automatically detect connected devices for optimal charging speed. 4. MULTI PROTECTION: Built in fuse, overload, undervoltage, high voltage, overheating, overload, and short circuit protection. This power inverter is safe and reliable to use. 5. COOLING FAN: The intelligent cooling fan will mute the inverter during operation and run faster when the temperature rises. This design helps to reduce fan noise. The cooling fan can also prevent the inverter from overheating. Specification: Item Type: Power Inverter Material: Aluminum Alloy, ABS Standard Input Voltage: DC12V Input Voltage Range: 10.5-15VDC (± 0.3VDC) Output Voltage Range: AC110V ± 10% (100-120VAC) Frequency: 50Hz, 60Hz Inverter Efficiency: 86% Maximum Current: 30A No Load Current: Less than 1A Low Voltage Protection: 10.5 ± 0.3VDC alarm 10.0 ± 0.3VDC shutdown High Voltage Protection: 14.5 ± 0.3VDC alarm 15.0 ± 0.3VDC shutdown Overload, Short Circuit Circuit Shutdown: Yes Reverse Polarity Shutdown: Yes Shutdown Due to High Temperature: Yes Cooling: Temperature control, load control USB Interface: 2.1A x 2 (average 2.1A, up to 4.2A when using a single appliance) Input Terminal Wiring Method: Terminal post Output Socket: International universal socket Average Power: 500W Peak Power: 1000W. Package List: 1 x Inverter 1 x Manual 2 x Crocodile Clip Cable 1 x Car Charger