1.High pressure sodium lamp 2.Watts:250W 3.Base:E40 4.Life time:15000H ... 5.Suitable places:stadium,airport,whart,factory etc High pressure sodium lampSpecification:Characteristic:High in luminous efficiency, long in service life ... (lm):26000LMCCT(K):2000KLife(H):15000HCri:(rav):20 High pressure sodium lamp