High bay Replace 300W mercury lamp; 2. CREE XPG-R4 chips, high brightness, 7500lm; ... 3. Products small size, High light ; .High bay e40 Replace 300W mercury lamp;2. CREE XPG-R4 chips, high brightness, 7500lm ... stations, libraries, factories, for Parking, indoor stadium, swimming pool ... . Replace 300W mercury lamp; 2. CREE XPG-R4 chips, high brightness, 7500lm ...