3x1w high power LED spotlight. Constant current power supply, Inside driver. High brightness, Good heat dissipattion. Name, High power LED spotlight, MR16.Model, SP/MR16/3x1w,LED type, high power LED.LED quantity, 3pc.LED power, 1w.Base, MR16.Dimension, D50 x 41.5 mm.Voltage, 12 / 24 v AC/DC.Bright angle, 60 degree.Housing material, Aluminum.Lumenous, 240x270 lm.Lifetime, 40,000 hours. Pictures ...