Universal Adjustable Transformer with Reversible Polarity 3 V 4.5 V 5 V 6 V 7.5 V 9 V 12 V 30 W AC DC Multi-voltage Adapter with 9 DC Connectors for Home Electronics

[Excellent power supply with multi-voltage DC output] The adapter is equipped with a selector that allows you to choose the desired output voltage (3 V / 4.5 V / 5 V / 6 V / 7.5 V / 9 V / 12 V) and a USB slot. There are also several plugs that allow you to use the object in question with a large number of equipment. 30 a power of 3Watts for a maximum current of 2 amps; AC input: 100-240V 0.25A 50/60Hz, 2000mA Max. USB port: 5.0V 2.1A
[9 DC Bits]- Outer Diameter * Inner Diameter 5.5 * 2.5mm, 5.5 * 2.1mm, 5.5 * 1.5mm, 5 * 2.1mm, 4 * 1.7mm, 3.5 * 1.35 mm InInInInInInIn3.5mm Single Track 2.5mm DC tips compatible with most DC devices. The USB data cable is suitable for some devices that require a USB data cable.
[Wide Compatibility]- The adapter is compatible with electronic appliances in the range of 3-12V. Suitable for routers, LED strips, lamps, webcams, surveillance cameras, HDMI switchers, GPS, digital keyboard, small weather station, portable CD player, children's toys, etc.
[Reversible Polarity]- Reversible polarity can be set to V+ (AC voltage) or V- (AC voltage) depending on the socket,Refer to "+", "-" on DC tips. If you don't know how to identify the polarity, please check the listing images. The picture shows in detail how to distinguish polarity.
[Notes]- Please check the output information of your devices before buying. Make sure your devices match the adapter.