Introducing our versatile and efficient Dual USB Charger with Rocker Switch Design. It's the perfect solution for your charging needs while on the go. Input voltage range: This charger is compatible with a wide range of power sources, accepting 12-24V DC input. Whether you're in a car, boat, ATV, UTV, or any other vehicle, this charger can adapt to your power supply. Powerful output: With an output of 5V/4.2A DC, this charger delivers a total of 4.2 amps of current. It ensures a reliable and fast charging experience for your devices, keeping them powered up when you need them most. Dual USB rocker switch design: Our charger features a convenient rocker switch mechanism. It allows you to control the power supply to each USB interface independently. With the flick of a switch, you can activate or deactivate the charging functionality of each USB port, providing flexibility and control. Each USB interface delivers 2.1A: Each USB port on this charger provides a maximum current of 2.1 amps. You can simultaneously charge two devices at their maximum charging speeds, up to 2.1 amps each. This allows you to efficiently charge multiple devices at once, saving you time and hassle. Simultaneous charging: Thanks to the dual USB interfaces, this charger supports charging two devices at the same time. Whether it's your smartphone, tablet, camera, GPS device, or any other USB-powered device, you can conveniently charge them simultaneously with this charger. Invest in our Dual USB Charger with Rocker Switch Design and enjoy the convenience of fast and simultaneous charging for all your devices. Stay powered up wherever you go!