Energy Efficient E27 Corn Bulb: Save 85% on your costs and save electricity compared to traditional light bulbs. One 30W LED bulb can replace a traditional 250W bulb, Provides 3500 lumens of light immediately, with no warm-up time to reach its maximum lighting level. Standard E27 base, instant on with no delay. Warm-up time is less than 0.5 seconds. No buzzing, humming, or flickering. High Quality LED Corn Bulbs Made Made of aeronautical aluminum and high temperature resistance PC plastic, with good heat dissipation Wide range of applications - special shape, energy saving, cooling speed, long life, anti-glare, no flicker. Ideal for garage, street, warehouse, barn, patio, backyard, garden, street, office, school, hospital, shopping mall, supermarket, station, restaurant, hotel, workshop and more. Durable quality E27 LED bulb: These E27 Cool White LEDs are CE ROHS certified. Environmentally friendly, no lead or mercury, no UV or IR radiation, no hazardous emissions. Technical