Tunable White Profile is LED Profile Spot Bi-Color, also call Bi-Color Ellipsoidal or Bi-Color Leko, Tunable White mean is Color temperature 3200K to 5600K Warm White + Cold White COB LED on one fixture. LED Profile Tunable White is professional lighting used in Theatre or Church, and Stage, main Tunable White LEKO fixture including following Power 350W Dual Color Ellipsoidal in the market