1. USB DC 5V to 12V Set Up Cable Converter Adapter, Supply power for camera, desk lamp, speaker, radar detector, breast pump, Masterbuilt Gravity Grill Series 560/800/1050, 3 ft Power Cord 2. Worried about the no WIFI when the power is down? Just get our USB step up converter! It can power to the router from your power bank or the USB port of your notebook. Enjoy the fun of the Internet! 3. USB step up boost converter input voltage: DC 5V; output voltage: DC 12V;max output current:1A;convert ratio: 80%-90%. Note: not suitable for high current equipment. 4. Built-in intelligent IC circuit and high-quality electronic component, USB to 12V adapter provides your devices perfect protection from over-current, over-voltage, over-temperature, short circuit. 5. Built-in identification resistors: Reverse polarity protection, over current protection, over temperature protection, short circuit protection. A smart design, lower heat and long working time , for protecting your device from damage. 6. Easy to Use: Universal USB 5V to DC 12V Converter Step Up Voltage Converter Power Cable, 8 Connectors Adapter which makes it fits most of the home appliances. You do not have to worry about finding suitable adapters when using various devices. 7. Widely Usage: It is very suitable for travel , outdoor use, power down use. Plug and play,It is widely used in 12V low-power equipment such as a wireless router, smart speaker, smart camera, light band, game console, table lamp, breast pump, mini fan, radar detector, breast pump, Masterbuilt Gravity Grill Series 560/800/1050,development board,etc 8. USB input: 5V 2A male, Please Make Sure the current is 1A or the device may not work.Note: NOT Suitable for High Current Equipment. Safe & Reliable, with built-in upgraded intelligent IC circuit, our voltage adapter provides your devices perfect protecetion from over-current, over voltage, overload or short circuit. 9. Small size and easy to carry.USB to DC power cable allows you to charge your device anytime and anywhere. 10. Three kinds of line difference: - 5V straight-through: Simple power cord, USB input 5V, power supply DC plug output 5V. - 9V voltage boost wire: With a booster component, the USB input voltage of 5V through the component to boost to 9V, current within 1A. - 12V straight-through: With a booster component, the USB input voltage of 5V is boosted to 12V through the component, and the current is less than 1A. 11. Warm tips: - Do not connect the USB power supply port of the 9V/12V booster cable to the USB port on the computer - The current output of the 9V/12V booster line is less than 1A. If the current of your router/optical cat is greater than 1A, it cannot be used