PAR30 E27 LED Bulb is a member of LED bulb which utilizes LED as light source and combines with key components of drivers, thermal and optics. It is made of aluminum alloy profile, PC or glass cover, and stainless steel E27 base. The materials ensure it heat dissipation, anti-impact and corrosion-resisitant. PAR in this bulb stands for parabolic aluminized reflector. The number after PAR will represent the number of eighths of an inch the bulb diameter is. This means that PAR30 bulb is 3 3/4 inches across. Compared with halogen lamp and incandescent lamp, the outstanding features of PAR30 E27 LED Bulb are long lifetime, high luminous efficacy& spaced edge for heat sink, anti-shock, anti-moisture, no UV or IR radiation in the beam and no lead or mercury. So it is widely used in lobby & hotel lighting, high ceiling & chandeliers, shopping malls & amusement parks, recessed cans & wall sconces, as well as cabinet/under cabinet, step & cover lighting, pathway lighting, splash lighting, column lights and signal lighting and so on.