-Induction street lamp -5 years warranty -Lifespan 60,000 ... ,CCC,CB... 40W-150W Low Frequency Electrodeless Induction Street Lamp S-30031. Technical data: Wattage: 40W,80W, ... 85 Installation diameter: 60mm Frequency: 140~250KHz Application: Street lighting, highway or other road lighting projects.2. ... .(2) High energy efficiency: Luminous effeciency ≥65-85Lm/W, save 20%-80% energy.(3) Low light falling: ...