B factory 18W Low Pressure sodium lamp have stock CE and certificate of origin China Professional Manufacturer

specification : Type : Other Origin : Mainland China Input Voltage(V) : AC 230V Lamp Luminous Efficiency(lm/w) : 100-167 Warranty(Year) : 2-Year Color Rendering Index(Ra) : 20 Support Dimmer : NO Lighting solutions service : Lighting and circuitry design Lifespan (hours) : 12000 Working Time (hours) : 12000 Place of Origin : China Application : ROAD Product Name : SOX-E 18W Power : 18W Base : BY22d Color Temperature : 1800K Voltage : 57V Electric current : 0.33A Luminous Flux : 1800Lm Length : 216mm Diameter : 53mm Life time : 12000H