DC 5V 3.1A 4 in 1 LED Digital Voltmeter Ammeter Thermometer Dual USB Universal Car Charger Voltage Current Temperature Meter White blue light

Dual USB 3.1A output.With temperature and current meter tester.

Easy to satisfy your need with dual USB socket.

Fixed support helps stabilize the USB car charger.

Multifunction product with 10A protection tube, perfect for travel use.

Apply to all USB charging mobile phones or other electronic products.

This easily installed 5V, 2.1A output port holds your smart phone, GPS, MP3.

Optimized for iPad, iPhone and iPod-fast loading at full speed.(2.1 amps for iPad, 1 amp for iPhone / iPod.)

Description:

Type: 4 in 1 Car Charger
Output Interface: USB
Input Voltage: DC 12-24V (Error of plus or minus 0.2V)
Output Voltage: DC 5V (Error of plus or minus 0.1A)
Outout Current: 3.1A
Voltage Measuring Range: 5-25V
Current Measuring Range: 0.1A-3.1A
Compatible Brand: Universal
Compatible Model: Universal
Conversion Efficiency: 95%
Temperature Measurement Range: -20 degrees to +80 degrees (Error of plus or minus 1 degree)
Size: 42mm x 78mm x 20mm/1.65 inches x 3.07 inches x 0.79 inches (Approx.)

Packing list:

1x product, 1 x Manual, 1 x box packaging

Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.