... ,150W,180W,200W,210W,250W,280W,300W etc.Color temperature: Day light(6500K) or warm light (2700K) (Different color temperature for ... energy saving lamp ballast:·(EMC),strong anti-jamming ,suitable for a group of assembled used.·High technic,high quality fittings,perfect ... years,3 year's life time of tube(10 hours a day)·Cold start under 30 degrees below zero centigradeT&P energy ...