4 IN 1 Dual USB Car Charger with Voltmeter, temperature meter and Current Meter.

The cigarette lighter is rotable for 360 degree horizontal, 90 degree vertical.

New design with double 5A USB output,PTTC over-current protection,display the voltage,temperature and current alternately by each 10 seconds.Auto power off while the input current or output current is greater than the safety current,please plug out will working again.

Input voltage:DC 8 V-35V
Output voltage: DC 5V

Output current: 5A
Conversion efficiency:98%
Voltage measuring range: 5 V - 35 V
Current measuring range: 0-5 A
Temperature measurement range: - 20 degrees to + 80 degrees