1-1/2″ deep. If installing these on the back of a sleeper as utility lights, check the amount of clearance you have first. Some trucks do not have enough space to accommodate these lights.

This Light:

• Is hard-wired with one three-prong female plug, connected to the back of the light by a few inches of wire.
• Is made into the stainless steel flange. They cannot be separated.
• Functions at 12 volts.

Converting all your incandescent lights to LED? You may want to read about LED flashers.