LED light bulbSpecification:Model WR-E2703002 Size E27/B22 (Dia60*108mm) Power 5*1W Lumen 420Lm/dimmable Material Aluminium Alloy, diffusant PC cover Connection standard terminal block Lightsource High Power LED(Edison, BridgeLux, or CREE) Angle degree 180 degree Lifespan 50,000 Hours Color Temp 2700K 10,000K Voltage 12/24ACV/DCV, 85 265V/277V CRI 70 90 PFC >0.95 Humidity 10%-90% Operating Temp -20 50 Luminous decay <2% at 1000H Temp Rise <18C Application· Hotels ·Conference / Meeting rooms · Factories & Offices · Commercial Complexes · Residential / Institution Buildings · Schools, Colleges & Universities · Hospitals Advantages of Werun Bulbs: 1. Brand chips and equipments from USA,Japan,Taiwan ect. 2. Monthly production can reach 100,000pcs3. Guarantee for3 yearsPicture: