Custom Dynamics ProGlow 4.5 Passing Lamp For Harley Touring / Softail Custom Dynamics ProGLOW 4.5 LED Halo Passing Lamps feature a smooth built-on color changing halo with advanced optical D lenses for a smooth, bright white beam pattern and massive field of vision. Built in ProGLOW color changing Halo plugs into ProGLOW Bluetooth Controller (sold separately). That allows you to connect to their innovative app connectors to either IOS or Android all at the power of your fingertips. Features ProGLOW 4.5 passing lamps also utilize D lenses for a superior field of vision Built in ProGLOW color changing Halos plug into ProGLOW 5V Bluetooth Controller(sold separately) Built in ProGLOW color changing Halo plug into ProGLOW Bluetooth Controller (sold separately) The innovative app connects to IOS or Android providing Bluetooth control of your lights at your fingertips 6000K color temperature Dot/Sae compliant