LED sound control column light Product special features: Capture sound signal of local sound system at real time and have a fidelity result. Display the audio in half wave spectrum dynamically, real timely and with fidelity in different colors and modes. Display the audio bandwidth as wide as 6k.The controller can control the multi-tube display or multi-tube display or display without the controller. Mode switch selects display mode and address switch sets the address. Model:GBR-HGB-08 Rating Voltage: AC 220-240v Rating frequency: 50/60hz Power:≤20w Protect level: IP33 Voltage resistance: pulse spike 1500v LED quantity: 144