PN: F37-033-10W/20W/50W/100W Parameter: LED Quantity 10W 20W/50W/100W Light Source Epistar Multi-Chip LED Material Aluminum Alloy Body + toughened glass cover Size: 180*140*135mm Operation Temperature -40° C - 60° C IP Grade IP 65 Electrical Specification LED Consumption(W) 10 20 50 100Watt Power Efficiency >85% Input Voltage 32-40V AC Frequency Range 50 ~ 60 Hz Life Span >50000 hours Optical Specification Color Rendering Index(CRI) Ra �80 Lumen Degradation