cunueae 130cm USB to 1.5V 3V 4.5V 6V 8V 12V 5.5x2.1mm Adjustable Voltages Cable with LED Voltmeter for Radio Light Fan Toy Clock Adjustable Voltages Regulator Module

["Wide Application: Mainly Used To Adjust The Brightness Of Single Color LED Lights, Such as 3528, 5050, 5630Strips LED lights for lighting, holiday atmospheres, fan, car lights,car fan and so on","1.30V-12V Wide voltages output,Supports boosting,with on off switching,1.30V-5.0V output 3W,6V-12V output 6W","130cm cable,this cable can replace 9V AA+AAA Battery,cut 5.5x2.1mm and connecting to your devices","USB 5.0V to 1.50V 3V4.50V 6V 7.5V 9V 12V 5.5x2.1mm Adjustable Voltages Cable with LED Dislpay suitable for Toy Game LED Lamp and other 1.50V-12V Device 6W output","The module cable is a adjustable stepsup/down power supply module with 2Bits LED digital tube display. Display output voltages in real-time. Rotates potentiometer to adjust output voltages"]