SM112D-315W super led grow light Power 315W I/P Voltage 100-240V Bridgelux LED . Perfect heat sink. Frequency 50/60HZ Qty 189pcsx3W LED Par Value/300mm 2700.44Umol Lifetime 50000Hrs R/T below 20 over40 degree Product size(mm) L485xW485xH80 N/W 6.8kg Package size(mm) L600xW580xH170 G/W 10.1kg 1. Use latest x2 LED optic lens It is the latest optics technology for high lighting efficiency. 25 per cent or more of lighting effectinecy will be improved, at the same time increase the lighting penetration. 2.Zero cost for maintence . Replace any compent with 3 minutes without any special tools /expertise. 3. Standard module design plug-and -play Key components of led of led optic PCBs,heat sink and power supply are designed into standard module respectively. 4.Air-circulation system designed to improve the plants photosynthesis and growth. 5.Latest power supply with low frequency pluse increasse 15 per cent of the plants growth. I hope you are interested in our Latest led grow lights .Thanks in advance.