... heat dissipation ,fast heat evacuation,long lift time of LEDsPower: 60W-300W Operating voltage: AC110V-220V DC12V, 24V, 36V Lamp efficiency ... of charge in initial period for large projects more than 100 poles because we has developed her experienced technical team. SPARE ... Sphere, Lighting Simulating Machine, and Weather-ability Testing Machines, etc.. 60w 8m large-power LED Ojet