Item specifics: Color: BlackInput Voltage: 12VOutput Voltage：5V3A MaxDual USB output.Rated power: 15WDimensions: 4.6x2.7x1.4cmCable Length: approx. 32.4cmLight compact， convenient to use and transport Low power consumption， high conversion rateShort circuit / overheat protection.Multifunctional product， perfect for travel use.Glue craft: Adapt to harsh environments，Waterproof， Moistureproof， Earthquake Proof.It can be used for LED car display， GPS， MP3， MP4 car DVD， hard disk player and the stereo.This module is posted by epoxy so it's waterproof， shockproof， moistureproof， anti-dust and flame retardantThe module boasts of automatic protection function when over voltage， over current， over temperature and shortcircuit braking and restore normal work after the conditionsNote: The red wire connects to the positive， the black wire connects to the negativePackage Included: 1pcs x Dual USB 15W DC Converter