Led lamp: 1 Use cree XPE R2 chips,100-126lm/w ... down sharply Save 70-80% electric energy than incandescent lamp.2) Use cree XPE R2 chips,100-126lm/w ... .5 mInput Voltage DC12VAC100-240VLED Manufacture CreeOperating Temperature -20-90 °LED Lamp Life >50,000 hoursRelevant Certificate CE, RoHS, EMCWarranty ... certificate of CCC.CE.ROHS.EMC and etcHigh power LED,LED we use CREE XR-E chips and VDE,CE, ...