Features:
* 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.)
* Type: 4 in 1 Car Charger
* Color: Black
* LCD Digital Color: Blue
* 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" x 3.07" x 0.79" (Approx.) / 3 months local warranty