1. Heat dissipation construct is of heat pipe and finned aluminum section, for efficient heat transfer. Good reliability. 2. High reflectivity pure aluminum lamp housing. Professional design for distribution of luminous intensity. Light is bright, soft and uniform. 3. Direct replacement for traditional high bay light. 60% energy saving and 5 times life span. Widely used in industrial plants, warehouses, hypermarkets, supermarkets, exhibition centers etc. Item no., voltage, power, cct, flux, ra Zps-gc305-100w, ac100-240v, 100w, 3000k, 8000 lm, >70 Zps-gc305-100w, ac100-240v, 100w, 6000k, 8500 lm, >70 Zps-gc305-200w, ac100-240v, 200w, 3000k, 16000 lm, >70 Zps-gc305-200w, ac100-240v, 200w, 6000k, 17000 lm, >70 Zps-gc305-300w, ac100-240v, 300w, 3000k, 24000 lm, >70 Zps-gc305-300w, ac100-240v, 300w, 6000k, 25500 lm, >70 Zps-gc305-500w, ac100-240v, 500w, 6000k, 40000 lm, >70 Zps-gc305-500w, ac100-240v, 500w, 6000k, 44000 lm, >70