DC 5V to DC 9V 12V USB Voltage Step Up Converter Cable with 1A Step-up Volt Transformer Power Regulator Cable with LED Display DC 5V to DC 9V 12V USB Voltage Step Up Converter Cable with 1A Step-up Volt Transformer Power Regulator Line with for Fan, LED Light, Wireless Router, Speakers and More Devices 1. Safe and Reliable: Our voltage adapter provides your devices reliable protection from over-current, over voltage, overload or short circuit 2. Switch: Our step-up regulator is designed with switch, you can choose the output 9V or 12V through it, 3 .USB step up converter: input voltage is DC 5V, output voltage is DC 9V or 12V, max output current is 1A (9V), 0.8A (12V) 4. Application: the USB to 9V cable can be applied to power the router via power bank if power down; In addition, can also be applied to other device which is 5V power supply, such as small fan, desk lamp, solar panel, USB power pack, power adapter, etc. 5. Convenient use: plug and play, you can still enjoy the network during power cuts; Design with small dimension, is very convenient to carry out Features: 1. With voltage adjustment keys, you can easily adjust the voltage. 2. Can meet routers with different connectors. Specification: 1. Input Voltage: 5V 2. Output Voltage: 9V 12V 3. Output Current: 1A max (9V), 0.8A max (12V) 4. Interface Properties: USB hole convert to DC round hole 5. Length: 1 m Package Includes: 1. USB Step-up Converters x 1 2. Connectors x 8