1.nobium tube 2. high luninous efficiency 3.less power consumption 4. without additional ignitor 5. long in life Feature:1. long in life, good photochromism2.good capacity of fog penetration3. fast delivery speed4. available for the stadium, exhibition center, street lighting, park, whalf, square, airport, beachDescription:Model:LU-SON-ED50-01 Watt:50WCurrent:0.76AOperating Voltage:85±10VLumen: ...