Lamp bead : 5mm round fog LED , the light is uniform and not dazzling The sensitivity is adjustable , the onboard adjustable potentiometer can be adjusted about 10 laps , and the internal sound of the potentiometer can be heard after the The inverse clock is reduced and the clockwise clock is It can be used by It is recommended that it be used by people with hands-on ability and electronic basis It can for most common device such as , computer , C-D players , preamp , power amplifier or studio mixers and so on , suitable for a variety of scenarios Power supply : between 5V and 12V for , the board is equipped with microUSB socket , which can be plugged into the power supply with the corresponding charging cable , and two pads are reserved for users to lead their own materials , it has good durability and stability , and can be used for a long for time The feature-rich , user can freely adjust each light and the main for of the real of light , with the most suitable for their own display, Manufacturer: Watreketal