Black 8W 4000K 855 lm 30,000 hrs IP54Stainless Steel captive fixing screws Polycarbonate diffuser 20mm cable entry on back of fitting Push fit terminal block M.O.M: 1 / O.P.Q: 40Technical Specification:Luminaire lumens (with diffuser): 855 lmLumens from chip (no diffuser): 1025 lmUseful lumens: 820 lmRated Wattage: 8WRated luminous flux: 820 lmNominal life time of the lamp: 30,000 hrsColour temperature: 4000KNumber of switching cycles before premature lamp failure: ≥15,000Warm-up time up to 60% of the full light output: 0.55Lumen maintenance factor at end of nominal life: ≥0.45Starting time: