Belker 30W Multi Voltage AC DC Power Supply Adapter for 3v to 12v Small Household Electronics Devices (30W 24W compatible) Multifunctional universal AC DC adapter, ideal for charger replacement, upgrade and spare power needs.Product Features ? Money saver, this adapter can largely save your space and the one can replace a lot chargers. ? Adjustable variable multiple voltages power supply, lots of options, meet your various needs.Power Specification Worldwide Input: 100-240V 1.0A 50-60Hz DC Output: regulated 3V 4.5V 5V 6V 7.5V 9V 12V 2000mA USB Output: 5V 2.4A Dc cord: 5 feet Tips: 8 pcs adapter plugsTips Spec. 5.5*2.5mm 5.5*2.1mm 4.0*1.7mm 3.5*1.35mm 3.0*1.1mm 2.5*0.7mm Micro USB plug LED converter plugImportant Note ? DC polarity: inner Positive(+), outer Negative(-). It is NOT compatible with devices that require Central Negative (-) Polarity. ? The wrong polarity would cause some damage to your device, you can check your device polarity information printed beside the power port. ? This AC adapter doesn't work with devices Over 2.0A. ? If the required voltage is not in the options, please choose the close voltage. For example, if you device needs 5.5V, you can choose 5V or 6V.Package Included 1 x Universal ac adapter 1 x switch key 8 x DC adapter tipsWork with This universal power supply applies to all your android phone HDMI Converter Bluetooth headphone baby monitor Kids 4 wheeler wireless receivers printers chess set LED strip light base games consoles paper shredder DVD players speaker audiotape recorders and players electronic gizmos blood pressure monitor cellphone Webcam DVR Electrical toys Printers.