Brand new and high quality. Certification: CE/ROHS/FCC/PSE/UL/Test Report. Radiation angle: 180 degree wide angle irradiation. It can be used on the car interior floor or dash. Applicable studio: with cigarette lighter or USB plug, no need to modify the circuit. Control mode: 4 Music control mode, 8 signal color control, brightness control, ON/OFF, 2-segment jump mode control, fade-in and fade-out mode control.