ITEM NAME:DC8V-35V to 5V 8A Power Step Down Module 4-Port USB Mobile Phone Car C HXV MXH Descriptio n Description: Input voltage: DC 8-35V Input current: 5.5A Output voltage: 5.2V Output current: total maximum 8A, current adaptive, mobile phone single port charging up to 2A. Dynamic response speed: 300us (load flow change 5%) Conversion efficiency: 95% (12V to 5.2V3.5A measured, efficiency is related to differential pressure and load size.) Load regulation rate: 0.2-0.3% (10%-50% load 12V input measured) Ripple & Noise: 120mVP-P (20MHz bandwidth 12V to 5.2V3A measured) Switching frequency: 100KHz No-load current: 18mA (measured by 12V car 5V) Wiring method: IN input OUT input Terminal block DC seat Fixed method: M3*1 M2*2 Specifications: Material: PCB Color: Picture Color Dimensions: 54 (length) * 39 (width) * 21 (height) Mm (including Usb Port) Package Included: 1* Power Step-down Module Note: Please be reminded that due to lighting effects and monitor's brightness/contrast settings etc, the color tone of the website's photo and the actual item could be slightly different. We offer you what you need! DC8V-35V to 5V 8A Power Step Down Module 4-Port USB Mobile Phone Car Charger.We'd like to settle any problem in a friendly manner. Dynamic response speed: 300us (load flow change 5%). 1 Power Step-down Module. Input current: 5.5A. We want to make sure you are happy with our item.