... , IP65, anti corrosion 4) 36000 or 50000 hrs life time ZY8310 250W 400W Metal Halide Spot Light CERTIFICATION & APPROVALS:Ingress Protection ... No. Light Source Wattage Luminous Flux Average service life (h)ZY8310-J250 MH(OSRAM) 250W 25000 lm 12000ZY8310-J400 MH(OSRAM ...