Specification: Brand name : hela lighting Led source : high power LED chip Material : car aluminum alloy +pc cover Input voltage : ac 85-265v Lamp holder : e14/e27/b22 Power : 3w/5w/7w/9w/12w Luminous efficiency : 100-110lm/w Frequency : 50-60hz Power factor(pf) : y0.90 Power efficiency : >90% Color rendering index : ra>70 Emitting color : warm white, white, cool white Color temperature : 2700-7500k Viewing angle : 120 Working temperature : -20~+50 Working humidity : 10%-90% Storage temperature : -20~+45 Lifespan : ¡y50, 000 hours Guarantee : 2 years 3w dimension : (d) 50mm * (h) 100mm net weight : 70g gross weight : 90g 5w dimension : (d) 60mm * (h) 110mm net weight : 125g gross weight :148g 7w dimension : (d) 60mm * (h) 135mm net weight : 157g gross weight :182g 9w dimension : (d) 70mm * (h) 153mm net weight : 265g gross weight :300g Packaging detail :white box or color box, 100 pcs/ctn Features: 1, wide range of available voltage and low consumption. 2, environment-friendly and no uv or ir addiation. 3, easy to install and maintain and normal base type e can be matched. 4, replacement of traditional bulbs and no subsidiary fixture, such as ballasts and starters. 5, long lifespan , low cost of maintenance. 6, energy saving and high luminous intensity, energy consumption can be 30% of traditional bulbs. 7, anti-shake, convenient for trnasportation. Application: 1). Living room, bedroom, kitchen, washroom; 2). School, university, hospital, hotel; 3). Conference, meeting room, show room, showcase; 4). Commercial complexes; 5). Factory, plant, warehouse, office; 6). Supermarket, department store. Trade terms: 1.Payment: 30% t/t advanced, 70% upon b/l scanning 2.Delivery time: 7-15days 3.Shipping port: ningbo or shenzhen, mainland china 4.Moq:100pcs Skype: helalighting