1.400W E40 sodium lamp 2.Watts:400W 3.Base:E40 4.Life time:15000H 5.Suitable places:stadium,airport,whart,factory etc 1.400W E40 sodium lamp2.Watts:400W3.Base:E404.Life time:15000H5.Suitable places:stadium,airport,whart,factory etcHigh pressure sodium lampSpecification:Characteristic:High in luminous efficiency, long in service life,white-golden in ray of light and stronin fogpentrating capacity. ...