1、Multifunctional digital power inverter, efficient conversion, suitable for car, home, office, outdoor activities, etc. 2、Equipped with large color LCD screen, real-time display of input voltage, output voltage, output power and battery capacity , easy to know the battery status. 3、Support multiple protecting functions, over-temperature/low-voltage/over-voltage/overload/reverse connection/short circuit protections, stable performance, safer use. 4、With an AC outlets and an USB charging port, the inverter can power your home appliances, lights, laptops, printer, dash camera or other electronic devices. 5、Support alarm function. When the inverter is in use and the battery voltage is insufficient, the inverter will issue a \"Di-Di-Di\" alarm, protecting the appliance from damage due to insufficient voltage. 6、Intelligent silent fan, quick heat dissipation, effectively reduce internal temperature and prolong service time. aluminum alloy housing, better heat dissipation. 7、Equipped with pure copper wire cores power cable, alligator clips wire and cigarettelighter cable, thick pure copper wire cores, low power consumption, stable transmission. Specifications: Color: Black + Red Material: Aluminum Alloy Input Voltage: 12 V USB Output: 5V, 2A(Maximum) Rated Power: 500W Item Size: 500W: 195 * 103 * 55mm/ 7.7 * 4.1 * 2.2in Item Weight: 500W: 590g/ 20.8oz Package Size: 220 * 150 * 68mm/ 8.7 * 5.9 * 2.7in Package Weight: 500W: 740g/ 26.1oz 1 * Power Inverter 1 * Alligator Clip 1 * Cable 1 * User's Manual