Features:
100% Brand new and good quality
2.1A single output,max total output of 4.2A
Digital Voltmeter-shows you the real-time accurate voltage. The voltage meter reading led will show up after the item is connected to the battery.
Safety Protection - Over-heated, over-current, over-charging protection, charging will be automatically stop when battery is full; 30cm wiring and fuse included; easy to use and install.
Wide Compatibility - Compatible your mobile phones, tablet, GPS, digital cameras, PDAs and other USB accessories
  Specifications:
FTWUX / 22x40mm ≈0.87x1.57inch
Material: PC
Color:Green,Blue
Input voltage: 12V-24V
Output voltage: 5V/9V
Max Single Usb Output: DC 5V/2.1A
Package included:
1*Car USB Socket Charger with Cable