Osram parathom classic a 15 3 w730 e27 the osram parathom classic a has a low energy consumption and a life of up to 15 000 hours areas of application for the lamp include domestic and general use and outdoor use in outdoor luminaires minimum ip65 the lamp emits 100 with no warm up time and can be easily fitted instead of ordinary light bulbs base e27 not dimmable dimensions and weight for the product are as follows overall length 1100 mm diameter 550 mm outer bulb a55