Features:∵ 2.4A + 1A， 3.4A rapid charging.∵ The plug is flexible， can be 45 degree rotation.∵ With built-in LED display to show the voltage and current.∵ When the voltage is below 11.8V or between 18V and 23.8V， the buzzer alarm will automatically ring.∵ The current will be displayed on the screen automatically.∵ With intelligent chip inside， the current will share by itself while using.∵ Over-load， over-voltage， over-heated， over-current and short circuit protection.∵ Compatible with iPhone / iPad / smartphone / most mobile phones.