What is the meaning of e27 led light bulb

  The e27 led light bulb refers to the technical specifications are E27 LED bulb. Lamp holder used interface has many types, such as E27, E14, GU10 etc.. They are behind the figures to show that the interface size (mm). MR16, PAR16 refers to the cup type, behind the figures to show that the cup size (1/8 inch).
  E27 and GU10 refers to the different types of lamp holder. E27, E26, E14, E12, these E beginning usually: screw lampholders. E27 refers to the threaded hole diameter is 27mm screw cap, E14's thread diameter is 14mm screw cap.
  Commonly used household lamp holder many of them are E27. In the structure of LED bulb, lamp holder will design specifications into E27, can be very good to use in the family in general lighting.
  MR:Multiface Reflect, multiple reflection (cup), behind the figures to show that the cup diameter (unit 1/8 of an inch), MR16 diameter =16 x 1/8=2 inch = 50mm MR16 common lamp cup GU5.3 (fine pin) and GU10. If you use E27, usually called PAR16.
  GU:G type lamp cap is inserted, the U said the cap portion presents U shape, behind the figures to show that the pin center distance (unit: mm "mm"). GU10 and GU5 are two round pin, the GU10 pin center for 10mm, commonly used in high pressure lamp, while the GU5 pin center for 5.33mm, often used for low-voltage lamp.

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