Cheap E27, 3.3W, 27 SMD Power LEDs Warm white 60mm ball, 120VAC Free Shipping

3.3W SMD LED light Bulbs, E27 Base, Very bright and efficient light bulb, This is a 120Vac/60Hz globe ball bulb with Edison screw base, 60mm in diameter. It uses 27 SMD LEDs to produce a pleasing white light. This is an excellent bulb for 25 watts incandescent bulb replacement. Lifespan of up to 30,000 hours means that equates to 10 years lifetime if turn on lamp 8 hours a day. Applications included: Home lighting, Residential Lighting, Commercial Lighting, Accent Lighting, Reading Lights, Display Lighting, Desk Lamps, Business Lighting, Security Lamps, Walkway Lighting, Illuminant Lighting, Hotels, Restaurants, Bars, Night Clubs
An LED lamp (LED light bulb) is a solid-state lamp that uses light-emitting diodes (LEDs) as the source of light. The LEDs involved may be conventional semiconductor light-emitting diodes, organic LEDs (OLED), or polymer light-emitting diodes (PLED) devices, although PLED technologies are not currently commercially available. Since the light output of individual light-emitting diodes is small compared to incandescent and compact fluorescent lamps, multiple diodes are often used together. In recent years, as diode technology has improved, high power light-emitting diodes with higher lumen output are making it possible to replace other lamps with LED lamps. One high power LED chip used in some commercial LED lights can emit 7,500 lumens for an electrical power consumption of 100 watts. LED lamps can be made interchangeable with other types of lamps. Diodes use direct current (DC) electrical power; to use them from standard AC power they require internal or external rectifier circuits. LEDs are damaged by operating at high temperatures, so LED lamps typically include heat management elements such as heat sinks and cooling fins. LED lamps offer long service life and high energy efficiency, but initial costs are higher than those of fluorescent and incandescent lamps.