Universal 30W AC/DC Adapter, Switching Power Supply with 9 Selectable Tips Includes USB Plug for Household Electronic Devices 3V 4.5V 5V 6V 9V and 12V 2000mA Max

✅ [Universal Adapter] AC Input: 100-240V 0.25A 50/60Hz, DC Output: 3V / 4.5V / 5V / 6V / 7.5V / 9V / 12V. (Please convert to correct voltage with included wrench before use) 2000mA Max. USB port: 5.0V 2.1A ✅ [9 DC Tips] Outer Diameter * Inner Diameter 5.5 * 2.5mm, 5.5 * 2.1mm, 5.5 * 1.5mm, 5 * 2.1mm, 4 * 1.7mm, 3.5 * 1.7mm, 3.5 * 1.1 mm 3 in, single track 3.5mm, 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 switch, GPS, electric keyboard, guitar, elliptical bike, hand vacuum, blood pressure monitor, children's toys, etc. ✅ [Reversible Polarity] Refer to the "+", "-" sign on the DC tips. If you do not know how to identify polarity, please refer to the pictures in the list. The picture shows in detail how to distinguish polarity. ✅ [Notes] Before purchasing, please check the output information of your devices. Make sure your devices match the adapter. ✅ [Specifications] Output current: 2A (2000mA) Max. Suitable for 500mA, 800mA, 1000mA, 1200mA, 1500mA, 1800mA, less than or equal to 2A, please carefully compare the above information to ensure compatibility. If you are unsure or cannot find your model, please feel free to contact us). ✅ [Versatil] It has different pins to adapt to the desired type of device, and also with the possibility of reversing the polarity. Really useful the ability to modify the output voltage and polarity.