The General Purpose Warm Bulb is Low Profile to fit smaller fixtures and areas, Type A, 120VAC LED Light Bulb. Standard E26/E27, Medium, Replacement Bulb, with the brightness to simulate a Clear 50W Warm Incandescent Bulb. The fact that there is essentially no heat generation means there is much less convection for dirt, keeping your fixtures cleaner. All the energy savings of any green alternative avoiding all the things you don"t like in others. This eye-pleasing light is instant on, generates no heat and contains none of the heavy-metal Mercury. LED lights do not produce any ultraviolet light, making them a better choice for homes that house expensive artwork and furnishings that can become damaged by UV rays over time. One LED light bulb can outlast 30 incandescent bulbs. LED lights operate at lower temperatures than halogen and incandescent lights. The latest in LED system electronics, thermal management and mechanical and optical design, making the advantages of LED lighting a practical reality. When LED bulbs are compared with CFLs and incandescent for overall efficiency and cost-effectiveness the benefits are instantly realized. When considering the number of incandescent and fluorescent bulbs needed for the lifespan of the LED, along with the energy used during that lifespan, your savings will be exponential over your purchase price. Technical Specifications: 400 Lumens, Estimated lifespan of 30,000 hours, 3000K Color Temperature, 120VAC, 4 watts. 1 Year Warranty.