Eveready LED Bulbs have a luminous efficacy of 100 lm/W*. These lamps come with an inbuilt Constant Current driver which ensure a constant light output irrespective of fluctuations in the mains voltage. This also ensures the lamps operate within the rated current. This ensures long life for the lamps. Best suited for Living rooms, Bedrooms, Hotels, Restaurants, Bars, Cafes, Lobbies, Corridors, Stairwells, Washrooms, Reception areas, Display cases and cabinets, Art galleries & Museums.