... 60pcsWattage:30WLuminous Flux:1900LMProduct Dimension:¢460xH115mmPF:>0.92Materials:Copper PCB , Aluminum base , PMMA coverConversion Efficiency:>85% ... 48pcsWattage:24WLuminous Flux:1500LMProduct Dimension:¢460xH115mmPF:>0.92Materials:Copper PCB , Aluminum base , PMMA coverConversion Efficiency:>85% ... , museum, walkway etc. Surface Mounted LED Oyster Light with Motion Sensor & Dimming Function