Product Name: 12W-30W Multi-Function Adjustable Power Supply 3-12V with USB Port Connection: Plug In Power Source: Full-Bridge Type Internal Structure: On-Off Type Type: OEM Color: More Colors Available Certification: TUV, RoHS, UL, ISO9001, CCC, Ce Output Type: AC or DC Usage: Laptop, Switching, Mobile Phone, Game Player, Digital Camera, Phone, Display, LED Material: ABS+PC Trademark: Original/OEM Transport Package: Carton Origin: Cn Product Description We are Factory manufacturer for power charger, can provide different models of charger and adapter with usb port,Can provide type of UK,AU,US,EU plug,all product of charger has certification with CE/ROHS/CCC/UL/FCC/PSE/DOE/GS/KC , so the quality can be creditable and guaranteed,also can do your own logo and package.pls send inquiry to us then i can provide more specifications and pricelist to you.AC/DC Adaptor 3V 4.5V 5V 6V 7.5V 9V 12V 2A 2.5A Adjustable Power Adapter Universal Charger Supply for led light strip lamp 30WFeatures:CE / RoHSCertification100% Brand new 100V-240V AC to DC Power Adapter supplyInput: 100-240VAC 0.3A 50/60HzPower: 30WOutput volt:3V4.5V5V 6V 7.5V 9V12V (Manual adjustment)Output Current: 2.5A Max, compatible with500mA, 1A, 1.5AUSB Output: 5V==2.1A MaxUsage: For moblie phone,TV Box, CCTV, Camera, audio player, telephone, CD, VCD, repeater, walkie talkie, computer, electronic organ, game machine, small TV set, health care equipment, computer and electronic equipment, etc.Note: Firstly please move the switchto the OutputVolt YOU NEED and then Connect the Power!Specifications:DC Plug Size(Outer Diameter & Inner Diameter):2.5*0.7mm, 3.0*1.1mm, 3.5*1.35mm,4.0*1.7mm, 5.0*2.1mm, 5.5*2.5mmDC Pin Type: The polarity can not change,The center is the positive pole(+) and the outside is negative(-), the size of the two pin with the joint is different.Plug Specification: US / EU / UK / EU PlugCable Length:115cmColor:BlackSize:85*50*34mmNet weight: 130g - 145gPacking Included:1pcs X AC Adapter1pcs X KEY1sets X Connectors(6 tips)