The Velocity SR integrates high binned rated 5400 Kelvin 5w CREE XTE diodes. CREE manufacture the highest performing diode to date, whilst excelling in reliability and stability. The Velocity SR didoes are driven at their peak luminous efficiency of 68%The Velocity SR integrates high binned rated 5400 Kelvin 5w CREE XTE diodes. CREE manufacture the highest performing diode to date, whilst excelling in reliability and stability. The Velocity SR didoes are driven at their peak luminous efficiency of 68%