When purchasing box trucks for sale, one might notice that different models come with various options for the interior lighting. LED lights, for instance, are a popular option because they are energy efficient, have a long operational lifetime, and are bright. They may be mounted on the ceiling as well as the sides and back of the cargo box so that all areas are adequately lit. Some light settings have movement that is triggered by a sensor which is extremely safe and useful in low light situations. He is free, with his hands and other body parts, to the body, adjust the brightness to the studied setpoint. With some trucks, the emergency identification lights could be built which will turn on even if the truck is off, provided that the emergency cut-off switch is not activated.