... 50000H,2 years warranty 3,Certification:CE,RoH High-brightness 9*1W LED Bulb,E27/E26/B22/GU10,Led bulb, ... Warm white (2800-3500K)Color rendering index,CRIRa≥80MaterialsAluminum and PC CoverWorking Temperature -30- +55°CLifespan50,000 hoursWarranty2 yearsCertificationCE,ROHSFeature: ... .Suitable for spot light in art display, museum jewelry counter.3.Window display in fashion shop, fashion show, notebook ...