45W Universal Power Adapter: AC Input: 100-240V 50/60Hz, DC Output: 15V 3000mA Max. DC Polarity: Inner Positive(+), Outer Negative(-). Its recommended that you order a Basicvolt Polarity Reverse Cable with it if your device is inner negative(-). New Version Power Adapter: Our adapter provides multiple optional voltages to you, such as 5V 6V 7.5V 9V 12V 13.5V 15V, you can change the voltage of the AC adapter easily by turning the key. Comes with 5V 2A USB charging port, enabling simultaneous charging your smartphone or tablet. Good helper to save for money and space. More Plugs, More Options: Equipped with 12 interchangeable DC plugs, is one of the adapter with the most DC connectors on the market. Compatible with 98.5% of 5-15V household electronic devices, such as Tablet, Scales, Routers, Speakers, LED Strip Lights, CCTV camera system, USB Charging Camera and more. Amperage: 3Amps max. Compatible with most electronic devices need less than 3A current, such as 100ma 200ma 300ma