Feature: 1. USB Cigarette Lighter: USB port to car cigarette lighter female socket step up cable power converter, convert power from usb port to 12V car cigarette lighter socket. 2. Convenient to Use: After the car stopped using the mobile power to drive tachographs, purifiers and other equipment power supply. Tachograph, purifier and other car equipment to bring home use. 3. Applicable: Car emergency power supply 12V DC output to drive recorder, electronic dog and other equipment. 4. Parameters: Length: 30cm/0.98ft, USB Input: 5V 2A, Cigarette Lighter Socket Output: 12V 0.8A Maxium, depends on the power from your USB port. 5. Safety: Multiple intelligent safety protection, boost module comes with over voltage, short circuit and other multiple protection. Omni directional protection of power supply equipment and electrical equipment safety. Specification: Item Type: USB Cigarette Lighter Material: PVC+ Full Copper Guide Core (With Boost Circuit) Length: Approx. 30cm/11.8in USB Input: 5V 2A Input Current: 2A Output of Cigarette Lighter Socket: 12V Output Current: 1A Purpose: To Convert The Power Supply of USB Port Into 12V Auto Cigarette Lighter Socket. USB Boost Cable Is Widely Used In Automobiles. Convert The Power Supply of USB Port to 12V Auto Cigarette Lighter Socket. Suitable for a Variety of 12V Equipment, Such As: Auto Recorder, Electronic Dog, Auto Recorder, GPS, Radar Detector, Solar Panel, Heated Seat, LED Lining Strip, for Rino 650, Tire Inflator, LED Lights, for Garmin Or Other GPS FM Traffic Receivers, Fans, VA Supplied Health Devices That Use Cigarette Ports As Chargers, etc. Package List: 1 x USB Cigarette Lighter Note: Please check the rate power of the device you are going to use with this cable