LED light sources are a popular lighting solution that is used in various types of home and commercial lighting.

Equivalent power in the context of LED lighting refers to the power of a traditional bulb that can be replaced by an LED light source, while maintaining a similar brightness of lighting. This means that we can use a lower wattage LED light source to replace a higher wattage bulb while still achieving a similar level of illumination.

The E27 stem is a popular standard stem used in many lighting fixtures. It is characterized by a thread diameter of 27 millimeters. This type of handle is widely used in various kinds of wall lamps, ceiling lamps, table lamps and other lighting fixtures.