Features: _x000D_ 1. Made of high quality electronic component, durable to use. _x000D_ 2. Designed with switch, you can choose the output 9v or 12v through it, and the LED display would tell the output voltage value. _x000D_ 3. Can be used to power the router via power bank if power down. _x000D_ 4. You can still enjoy the WIFI during power cuts. _x000D_ 5. It 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. _x000D_ _x000D_ Specification: _x000D_ Condition: Brand _x000D_ Model: KWS-912V _x000D_ Input Voltage: 5V _x000D_ Output Voltage: 9V/12V _x000D_ Output Current: 1A(9V) _x000D_ 0.8A(12V) _x000D_ Weight: Approx. 35g / 1.2oz _x000D_ Cable Length: Approx. 0.72m / 2.36ft _x000D_ _x000D_ Package List: _x000D_ 1 * USB Step-up Converter Cable 1Made of high quality electronic component, durable to use. 2Designed with switch, you can choose the output 9v or 12v through it, and the LED display would tell the output voltage value. 3Can be used to power the router via power bank if power down. 4You can still enjoy the WIFI during power cuts. 5It 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.