Waterproof Christmas lamp holder？

A waterproof Christmas lamp holder includes a bulb, a soft core, and a lamp holder body. The soft core has a folded end that passes through the bulb lead and is connected with a conductive sheet. The bulb is placed in the soft core and the soft core is inserted into the lamp holder In the body, a conductive sheet is installed in the lamp holder body, and the conductive sheet is connected with the stringed-in wire. It is characterized in that the soft core tail end is made with a convex strip that matches the bottom opening of the lamp holder body and the stringed-in wire. After being inserted into the lamp holder body, the convex bar protrudes from the lamp holder body by 0.5-10 mm.