USB 5V to 9V/12V Power Supply Step-Up Converter Cable, USB 5V 2A to DC5521 Power Adapter for 9V/12V 0.8A Power Supply with DC35135, with LED Display

✔ USB Boost Converter: Input Voltage: 5V DC, Output Voltage: 12V/9V DC, Max Output Current: 0.8A (12V), 1A (9V) or 1A (9V)
✔ APPLICATION: The 12V/9V USB to DC cable allows you to power your router via an external battery during a power outage. It can also be used for other 5V powered devices, such as small fans, desk lamps, solar panels, USB adapters, power supplies, 12V/9V speakers, Bluetooth audio devices, etc.
✔ SWITCH AND LED INDICATOR: Our boost converter is equipped with a switch. You can use it to select between 12V and 9V DC. The LED indicator shows the output voltage.
✔ CONVENIENT USE: Thanks to the plug-and-play system, you can use your Wi-Fi even during a power outage. Its compact design is very practical.
✔ CONTENTS: 1 x 5V to 9V/12V USB converter; 1 x 3.5 x 1.35 mm DC connector