AC Input:100-240V 0.25A 50/60Hz, DC Output:3V/4.5V/5V/6V/7.5V/9V/12VEfficiency: >80%(TYP)USB Port: 5.0V 2.1APackage Weight: 205 gram ( 7.23 oz)Package Dimension: 12x7.5x5.6 cm/ 4.72x2.95x2.2 inchCord Length: 145 cm( 4.76 ft/57.1 inch)Tip Specification: 8 kinds, 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 terminal connector.Please Note:1. Not compatible with laptop or other over 30W high power equipment;2. If you want to get 12V 2.0 A via the 8 DC tips, please don't use the USB port at the same time, or the current could not reach to 2.0A;3. For the voltage selector, you can adjust it using the provided key;4. AC Adapter is not equal to a Battery Charger; Please turn off Your battery devices when it is charged and Don't charge it for more than the specific charged time;5. Please check carefully for the voltage and the connector before bidding.6. There are also a 5.0V 2.1A USB port and USB plug included, so this 30W AC Adapter can also function as an adaptor to turn any USB cable into a adapter. Perfect for USB Charging speakers, camera and other Devices.Instruction:1.Connect the correct adapter tip and make sure that it's firmly attached to the dc input port of your device..2.Set the right DC output voltage. There are 7 options for you, DC 3V/4.5V/5V/6V/7.5V/9V/12V.3.Connect the adapter to the electrical socket.4.Now you are ready to power up your device!Package Includes:1x 30W universal power adapter8 x DC tips(little key included).