SoulBay 30W 3V 4.5V 5V 6V 7.5V 9V 12V Switching Power Supply Replacement AC/DC Adapter for Tablet Routers Speakers LCD CCTV Camera CD Player Household Electronics Adapter Input: AC 100V~240V 0.25A 50/60Hz, DC Output: 3V/4.5V/5V/6V/7.5V/9V/12V 2Amps. Comes with one 5.0V 2.1A inlet on the bottom of the adapter, Perfect for Charging camera, GPS and other Devices, the Cable Length is 115cm. Six detachable DC output plugs make it fits 95% of AC/DC appliances, Such as 3V to 12V Household Electronics, Tablet PC, Scales, Routers, Speakers, LED Strip Lights, CCTV camera system, Camera, and more! Supporting DC 12V-2A or 12V-1.5A/1A appliances. NOTE: NOT compatible with laptop or other high power equipment, ie, NOT Compatible with Over 30W Devices and the Polarity could not be reversed. Attention: DC Plug Polarity: inner Positive(+), outer Negative(-). If You Are Looking for a Negative Polarity Charger, Please Search B07GVFKKPR or https://www.amazon.com/dp/B07GVFKKPR. If you have any other questions or advise, please feel free to contact us anytime. AC Input: AC 100V~240V 0.25A 50/60Hz. DC Output: 3V/4.5V/5V/6V/7.5V/9V/12Volt. Cable Length: 3.7 ft. Max Current: 2000mA/ 2 Amps. Wall PLUG: US Standard. It gives a universal regulated switching mode supply with selectable AC Input 100 to 240V AC (so with an electrical plug adapter it will work anywhere in the world). It has selectable DC Outputs: 3V /4.5V /5V /6V /7.5V /9V /12V. The charger also includes 6 <span class="a-text-bold">detachable DC output plugs</span>, so that it will fit almost all DC input sockets. Used for speaker, printers, games consoles, 3V to 12V household electronics, and many other appliances. This SoulBay 30W Charger is Centra Positive<span class="a-text-bold">(+) - Positive Polarity, </span>PLEASE kindly Have A Check on the Polarity Of Your Devices, the polarity is irreversible. (Wrong polarity would do damage to your device!) There is also a <span class="a-text-bold">5.0V 2.1A USB port</span>, so this 30W AC Adapter can also function as an adaptor to turn any USB cable into a charger. Perfect for USB Charging camera and other Devices. <span class="a-text-bold">Please check carefully</span> on the voltage and current requirement before bidding. Thank you. 30W Universal Adapter 6 DC Tips 1 little key 2.5*0.7mm, 3.0*1.1mm, 3.5*1.35mm, 4.0*1.7mm, 5.0*2.1mm, 5.5*2.5mm.