szgate(About 80mm Base) - 1pcs White Hanging Light Cord E27 Light Bulb Socket to 2-Prong with On/Off Switch

What is the diameter/width of the round base?

Mine shuts off after 20-25 minutes. Anyone else have this problem? Turns right back on using the switch, turn off then back on.. Runs 20-25 minutes, s

Is this really 9.8 feet long??? The feet and meters disagree in the listing.

Can it be used with a 100w led garage light?