... LED=40W MH/SON 6.Luminous efficiency: ≥ 920Lm/W 7.Lamp efficiency: ≥ 95% 8.CRI: Ra>759.Environment: -40oC-50oC / 10 ... 11.Life of luminaire: More than 50, 000 hours 12.Lamp body & cover: Aluminum alloy 13.Size: φ110*Φ78, gap ... .Net Weight(g):300gApplicationsWidely used in Supermarket, shopping mall,showcase ,lamp house,gallery,jewelry,hotel,restaurant,conference room,household and office lighting ...