Features: 1) Input:12-24Vdc, suitable for any car's cigarrete lighter; 2) Output:5 or 5.5Vdc/400-2000mA; 3) LED display: Single LED light and single color displayed;single LED light and dual 4) Colors displayed; 5) Current limit:400-1000mA; 6) Stability precision:5%; 7) Loading effect:3%; 8) Efficiency: More than 88%; 9) Size:86*38*30mm; 10) Weight:32g; 11) Carton size:40*26*33.5cm; With constant voltage and constant current charged, with short circuit protection. Packaging: Poly bag& carton