USB car charger input voltage: 12V DC;
Product output: 5V 2.4 A DC Measurement range of voltmeter: 5-15v;
Connection mode: The back of the product is labeled "+" to the positive terminal. Mark "-" power supply negative;
The power cord is red to the positive, black to the negative pole.
​Installation mode: can be installed horizontally or vertically, in two ways, with sexual selection!
Product features:
1. Single hole 5V 2.4 A output, quick charge. With independent control button, humanized design, open when used, close when not used, extend product life.
2. Color screen voltmeter, measuring range 5-15v, detecting whether the car battery is in normal range, and flashing alarm when the voltage exceeds 15V.
