Welcome，Please read the following terms carefully.Features:This is USB interface with charger and audio (your car must have USB audio available in order for this function to work) USB port that replaces your Toyota/Lexus/Scion switch holeDirectly install to your Toyota/Lexus/Scion switch holeFits most Toyota/Lexus/Scion switch hole， Please measure your car's switch hole and make sure the dimension is correct before purchase.Charger function work for all vehicles， and can apply to USB cable that charges your smart phone， laptop， camera or any electronic devices that allow USB charge.Audio function work for cars that already has USB audio interface， if you do not have USB interface for your audio， the audio USB port will not work. It WILL NOT add USB audio feature if your car audio does not have the USB connector.Professional installation is highly recommendedSpecifications:Input Voltage: DC 12VOutput Voltage: DC 5VMax Voltage and Current: 2.1A / 5VMax Flow Dissipation: 0.6AFuse: 1A / 12V (Fuse cannot be replaced)Operating Temp Range: 0 - 40 CSwitch Dimension: 22.5 mm x 33 mm x 55.85mmNet Weight: 70gPackage includes: 1 x Dual USB ChargerWish you a happy shopping.