... :1 Compared with traditional ceiling lighting,YH-LED lamp is energy saving 82.6%2 Designs with rectangle faculas actualized ... equality and less glare3 Designs with integrated modules achieved lamp long life and easy maintenance detail parameter: ModelYHC-10Input ... Angle15,30,45,60ChipsEpistar,Warranty5YearsOperating Temperature-20°---+40 °LED Lamp Life50,000 hoursRelevant Certificate CE, RoHS, ...