usb car charger

1) Input: 12 - 24V DC, suitable for any car's cigarette lighter
2) Output: 5 or 5.5V DC / 400 ?2,000mA
3) LED display: Single LED light and single color displayed, single LED light and dual
4) Colors displayed
5) Current limit: 400 ?1,000mA
6) Stability precision: 5%
7) Loading effect: 3%
8) Efficiency: more than 88%
9) Size: 86 x 38 x 30mm
10) Weight: 32g
11) With constant voltage and constant current charged, with short circuit protection