Features: 100% brand new and high quality Upgraded atmosphere lights, illuminated on both sides, full of dynamic, warm and full color, bringing new visual enjoyment. It has a wide range of applications and is compatible with most electrical appliances such as homes, offices, cars, trucks, and electric vehicles. Intelligent LED display, all kinds of information such as power usage, output port working status, machine failure, etc. are clear at a glance. 4 USB sockets, foot pressure and high power, multiple devices can be used at the same time. 8.4A total output current, automatic current distribution, fast charging, just pick up the data cable to charge. Universal universal socket, copper strip integrated structure, resistant to plugging and unplugging. Smart chip, temperature control and heat dissipation, prevent the machine from overheating, one-key switch, efficient management, safer to use. Package Includes: 1 Set LED Display Frequency Converter Specifications: Material:Alloy Size:Approx.18x11x7.5cm/11.02x4.33x2.95inches Color:Black Power: 3000W/4000W/6000W Voltage: 12V/24V note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.