Osram dulus s 11w compact fluorescent bulb there are 10 pieces in the package. operates at 11 watt power. provides 900 lumens of lighting. it is 2700 kelvin. yellow light color enhanced lifespan longer life lampholder: it has g23 a energy level. lamp dimensions product diameter: 12 mm product total length: 235 mm length without base base pins/connection: 214 mm life and efficiency nominal lamp life: 10000 hours service life: 6500 hours mercury content: 1.3 mg energy consumption: 15 kwh/1000h energy efficiency: first class. maximum 50 pieces of this product can be ordered. swordslife reserves the right to cancel orders over 50 pieces. more than 100 stocks were offered to be sold at the campaign price. the seller determines the selling price of the product you have examined. Improved version for clearer understanding and better search visibility. Suitable for users seeking detailed and reliable product information.