Low-Cost Energy-Efficient LED Light Bulb - 5-Watt Soft White 2700K E27 Medium Base to replace 25W-40W Incandscent Clean soft instant-on warm white to replace 25W - 40W incandescent bulbs. Targeted for low-end applicatons such as: night lights, landscapes, restaurant, storage room, stairway, refrigerator lighting, and so on. Not suggested for reading purpose. For high-end products, please type "Fulight" in the searching box of Amazon and you will see all our products! Annual energy cost $0.60 only, Save up to $97 through lifetime GREEN ECO FRIENDLY: no flickering, no UV light, no buzzing ballast, and no mercury. Lifetime = 50000hrs(or 34years); Warranty: 3 years