4 in 1 USB Car Charger Volt Meterr Monitor Thermometer Digital Display

4 in 1 USB Car Charger Voltmeter Monitor Thermometer Digital Display

Feature:
1. New design with double 3.1A USB output,PTTC over-current protection,display the voltage,
2. Temperature and current alternately by each 20 seconds.
3. Auto power off while the input current or output current is greater than 
the safety current,please plug out will working again.
 
Specification:
Input voltage:DC 12V-24V
Output voltage: DC 5V
Output current: 3.1A
Conversion efficiency:95%
Voltage measuring range: 5 V - 25 V
Current measuring range: 0-3.1 A
Temperature measurement range: - 20 degrees to + 80 degrees
Color:Black,White

Package Included:
1 X Car Charger