Features:【LIGENT DIAL DISPLAY】LED display, upgraded ligent protection chip, real-time of battery voltage to prevent battery lo.【LIGENT S】The ligent control chip provides the required voltage and current according to different devices, with good output stability and improved efficiency.【UNIVERSAL DESIGN】Voltage display 12V/24V to 220V, common design for cars and trucks, compatible with a variety of models, and power supply to multe devices at the same time, stable output.【APPLICABLE EQUIPMENT】Suitable for car vacuum cleaners, driving s, car refrigerators, laptops, SLR cameras, car air s, s, tablets, car fans, s, mobile phones, etc.【SECURITY PROTECTIONS】9 layers of security protection, upgrade the ligent protection chip, effectively protect the stable and safe operation of electronic products.【 LIGHTING HOLES】It is equipped with double lighting holes, which is more convenient to use, it only supports the power supply of vehicle equipment, and does not support the heating and lighting function.Specifications:Material: ABS flame retant materialColor: blackType: 1(without USB), 2(with 4 USB ports), 3(with 4 USB ports, voltage display)Size: about 15.8 x 9 x 3.2cm/6.22 x 3.54 x 1.26inch(length x width x height)Cable length: about 100cm/39.37inchRated input voltage: 12V/24V universalRated output voltage: 12-220V 24V-220V DCConversion efficiency: about 90% or more12V use range: 11.6V-14.8V24V use range: 23.2V-28.4VPackage Included:1 pc x car power converterNote:1. Due to the light and screen difference, the item's color may be slightly different from the pictures.2. Please allow 0.5-2 cm differences due to manual measurement.