1) Light Source: 1*50W    LED                                                                                2) Luminous Flux: 4000LM   Epivalley LED Chip                                                                                   3) Rated Wattage:    57W                                                                            4) Base: 2PINS                                                                                       5) Rated Voltage:  100-240VAC, 50/60Hz                                                                        6) Color Temperature:  WW(2700~3800K), NW(4000-5000K) or CW(5500-6700K) 7) Beam Angle:   150°                                                                                      8) Lifetime:  > 50,000hours                                                                              9)Size:  290*236*183mm                                                                                                                                       10) Net weight: 3.11KG                                                                                11) CE .ROHS approved                                                                                 12) Body Temperature:   <70 ℃  @Ta=25 ℃                                                                             13) Recommended Replaced bulb: Metal Halide Lamp                                                                             14)12-24VDC for solar power system is available