Specifications:> Plug: US/ UK/ EU(Optional)> Function: This is a universal power supply for all your pedals, effects, battery chargers, wireless receivers, printers, games consoles, and many other appliances.> Product Weight: 88g> Cord Length: 43.3 inches (about 110cm)> Adapter Dimensions: 8 x 3.3 x 4.8 cm> 6 pcs 2 pin Connection Tips Specifications: 2.5×0.7mm, 3.0×1.1mm, > 3.5×1.35mm, 4.0×1.7mm, 5.0×2.1mm, 5.5×2.5mm> Adapter Input: AC 100V~240V, 50/60Hz> 7 Different Adapter Output With KEY: 3V/4.5V/5V/6V/7.5V/9V/12V> MAX. Output Power: 30W Features:> This AC to DC adapter can apply to most appliances, for which the effective voltage is from 3V to 12V.> This adapter output is 3V/4.5V/5V/6V/7.5V/9V/12V. You can easily set the voltage by a little key, which included the adapter.> Equipped with 6 adapter plugs, the different size will fit for your appliances well, and solve your various problems.> With safe and multiple functions, it’s easy to operate, and the adapter is very durable, it’s secure to use.> This 6 adapters in 1, which can largely save your space and the one can replace a lot of chargers.> This universal charger AC to DC adapter has selectable outputs: 3/4.5/5/6/7.5/9/12V. That’s to say, you need to measure your appliances if suitable for this adapter before your purchase.> With 6pcs 2pin connection tips, the various size can satisfy your different need, and the different ac adapters can bring you much convenience on your daily life. Package Included:1 x 30W Universal Power Adapter6 x DC Tips1 x Key Cautions:1. Please confirm with your device that it requires center positive or negative, It does not support if your device requires center negative.2. NOT compatible with Over 30W Devices and the Polarity could not be reversed.3. Please Check Your Connector And Provided DC Tips Size Before Purchasing.