The chip inside will automatically identify the charging current depending on the devices you charge; Dual outputs, you can simultaneously charge phones, tablets or other small electronic devices; Intelligent LCD digital display - the screen will display the battery voltage; Working status: the screen will display the total output current; Voltage monitor: real-time voltage can be displayed clearly; Made of flame retardant polycarbonate materials with CNC metal frame cutting process, aluminum anodic oxidation treatment, makes it resistant to water and corrosion; Small size, does not take up space or obstruct the view; Protections: Temperature, overload, overload, overvoltage, undervoltage and short circuit protections; Wide compatibility: Suitable for most smartphones, tablets and other digital products; Output interface: Dual USB; Input: 12-24V / 2.4A; Output voltage: 5V; Output current: 2.1A; Product size: 70 x 37 x 27mm; Net weight: 24g;