... 4.CE&ROHSFeatures:400W HID High Bay LightingHigh performance,easy maintenance,fully aluminum and glassHigh reflectance aluminum reflector with anodised finishDie casting aluminum gear boxBallast ... :MH 250-400W/E40 HPS 250-400W/E40 Suggested mounting height:>=5m Application:Factories,assembly plants,warehouse,hanger,foundries,multipurpose hall 400w aluminum/PC reflector high bay ...