USB 5V To 1.5V 3V 4.5V 6V 9V 12V Adjustable Output Cable Step Up Down Converter Cord For Toy Clock And MoreFeatures:and USB 5V to 1.5V 3V 4.5V 6V 7.5V 9V 12V 5.5x2.1mm Adjustable Cable with LED Dislpay suitable for Toy Games LED Lamp and other 1.5V-12V Device 6W output. The module cable is a DC-DC adjustable step up/down power supply module with 2Bit LED digital tube display. Display output in real-time. potentiometer to adjust output 1.3V-12V Wide output,Support and with on off 1.3V-5V output 3W,6V-12V output 6W. 130cm cable,this cable can replace 9V AA+AAA Battery,cut the 5.5x2.1mm and to your devices. Wide Application: Mainly Used To Adjust The Brightness Of Single Color LED Lights, Such as 3528, 5050, 5630 Strip LED lights for lighting, holiday fan, car lights,car fan and so on. Specifications:USB input 5V 2A-3A5.5x2.1mm output: 1.3V-12V 0.5A plasticscable length: 130cm/51.1inchQuantity: 1Package Includes:1x USB to 1.3V-12V 5.5x2.1mm cableNote:1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.Thanks for your understandings.