The Kuryakyn 2467 Orbit Prism 4 1/2" LED Passing Lamps with Bluetooth Controlled Multi-Color Halo offers an ultra high-performance DOT-approved L.E.D. passing lamp; provides superior visibility and additional "wow factor". Powerful high-output L.E.D.'s with included Bluetooth controller and donloadable IOS or Android app lets you customize the outer halo ring with infinite color options; significantly enhances the rider's nighttime field of vision and all-around visibility. App includes multiple variable display options including customized color cycles, 20 pre-programmed pulse modes, custom pulse mode that syncs to your device's music, disco pulse mode that accesses your device microphones to capture ambient sound, and photo color referencing that allows you to take a picture and match the halo to any color. Features 850 raw lumen output using passing beams; reduced current draw 0.85amps. Gain uniform light distribution and greater temperature stability; color temperature of 6500K. Created durable with IP67-rated aluminam housing and a UV-protected, scratch-resistant polycarbonate lens; pigtail connector allows hardwired installation on custom applications. Exceeds applicable DOT and Traport Canada requirements. Includes (2) passing lamps, (2) Bluetooth connecting cables, (1) Y-adapter cable, (2) rubber grommets, and (2) shrink wrap tubes; suggested for installation (not included): hex wrench set, phillips screwdriver, wire stripper, electrical and masking tape. The Kuryakyn 2467 Orbit Prism 4 1/2" LED Passing Lamps with Bluetooth Controlled Multi-Color Halo is compatible with Harley-Davidson models: H-D (with 4 1/2" passing lamps), '05-'19 and '04-earlier (requires wiring adapter, not included), '05-'17 FLSTN/I (requires slight internal modificiation to passing lamp housing); Indian motorcycle models: '14-'19 Chieftain and Roadmaster (with OEM passing lamps) (requires wiring adapters, not included).