Views: 0 Author: Site Editor Publish Time: 2021-05-27 Origin: Site
The adjustable opening design is a convenient design. It adapts to the size of the hole by changing the position of the spring. The advantage of this design is that there is no need to buy lamps of various sizes because of the inconsistency of the hole size, or the wrong measurement of the hole size leads to the wrong purchase of the lamp.
