Updated Version of the Highly Acclaimed HPFM V4 Series, Unique Heatsink for Unparalleled Thermal Capability, Nichia or CREE Structured High Power LED Arrays., Fully Modular Design with Aluminium Driver Enclosure, Lensing Flexibility For Optimized Photometric Distribution, 34000lm with >112lm/w Efficacy at 4500K, Twin Digital Driver with 5 way IO Protection, Harsh Environment Applications, 6063 Aluminium Extrusion & 316 Stainless Hardware, Highly Customizable for Application Specific Performance, 108,000hrs L70 at 25C Ambient