CRI97, R9>95, Rf>95 full spectrum, halogen-like comfortable light effect with low glare; Ideally promoting melatonin growth to improve optimally human biological, psychological, and physical rhythm, ultimate human-centric light (HCL); Smart lighting control, by DALl2 or Casambi; Patented HALED optical design; Cold forged housing is unique as optimal heat sink (most die-cast luminaries used in non-enclosed luminaires); Graphene coated black version with supreme heat dissipation can be used in enclosed luminaires; Industry-leading useful light efficiency up to 100Lm/; Top-glass useful light efficiency & optimally saving energy.