LED down light ProductFeatures: 1.savemorethan60%energycomparedwiththefluorescentlampofsamebrightness. 2.Lifespanoflightsourcereachesover50,000hours,whichisupto25timesthanthatoftraditionallamps. 3.Thelampscanradiateheatthemselvesandneedn’ttoinstallanyextraradiators. ReferenceParameters: Spec.:VKC-D04 Size:108*73.8 mm Material:Aluminumalloy LEDlightsource:integratedpackaginglightsource,single10W/20W/30W Ratedpower:5W Powerfator:0.9-0.95 Luminousflux:800lm±10% Colortemperature:white(6000K±500K),warmwhite(3300K±500K) Lifespan:3years Inputvoltage:85-265VAC Certificates: CE&ROHScertificates.