**The Fusion Surface Mount V3 will not sync with other versions** Feniex Fusion Surface Mount LEDs can be mounted anywhere on any emergency vehicle and are engineered for the best visibility possible: select 40° light spread for long-range visibility or 180° light spread for wide-angle visibility. Choose from a wide variety of single or dual colors and multiple mounting options. Complete the package by syncing the Fusion Surface Mounts with Fusion 1X and 2X deck/dash lights, T3, Wide-Lux and Cannon Hide-Aways. Sync the surface mount with our 1X and 2X deck/dash lights and the Cannon Hide-Aways. The Fusion series offers emergency lights that take the best of both the 180 and 40 degree optics.