Downlight lamp cap is an important link, and the main material of lamp cap is ceramic. The reed inside is the most important. There are two types: copper and aluminum. A good brand uses aluminum, and a spring is installed under the contact point to enhance the contact.

We have embedded downlight and surface mounted downlight, spiral lamp holder and plug lamp holder, vertical downlight and horizontal downlight, household downlight and engineering downlight, single plug downlight and double plug downlight, etc. It is easy to install downlights as lamps, does not occupy space, is generous and durable, and it is usually no problem to use downlights for more than five years. The style is not easy to change. The price is also cheap.