ZVD - 4.8A Dual usb Car Charger - led Display, Voltmeter, Mobile Phone Adapter

4.8A Dual USB Car Charger with LED Display Voltmeter Mobile Phone Adapter for Car Motorcycle Boat Features: 1: This is a 4.8A smart fast charger, with voltage display, high voltage warning, it can display the charging rate, there is a switch that can freely change the display mode and turn on/off the power. 2: Lightly press the switch to turn on the power, it can display the real-time voltage after the full screen lights up for 2 seconds, then press the button again to switch to the red power indicator. The two display modes can be freely switched by the button, press and hold the switch for two seconds to turn off the power. After turning off the power, it means that the device has cut off the power input, and then achieves the effect of saving electricity. 3: When the input voltage exceeds 14.6V, the red indicator light is on (warning function, it indicates that the input voltage is too high) 4: When the device is powered on and USB charging is performed, the color screen flow