Osram dst cl b 9 w827 e14 4008321374899 the osram dst classic b has a low energy consumption of 9w and an average life of 6000 hours the lamp provides a fast return on investment and uses 80 less energy compared to a standard ordinary light bulb areas of application for the lamp include domestic and general applications and also wherever compact and efficient lighting is needed dimensions and weight for the product are as follows overall length 1080 mm product weight 48