The lantern is a special object in Viscera Cleanup Detail.
The lantern itself is a medium-sized cylindrical object with a large white band wrapping around its center, surrounded by a red casing. When picked up, the lantern will become activated, and this area will begin to emit a bright, slightly-flickering, white light in all directions, illuminating the immediate vicinity around it. The lantern can be toggled on or off by holding down the primary trigger (left-click by default) when holding the lantern. Prior to version 0.44, once activated, the lantern could not be deactivated in any way, with the exception of breaking it. The lantern is an extremely useful object in certain levels, in which a player may be required to illuminate dark passageways to view spills and other messes otherwise too dark to see under normal conditions.
If the lantern undergoes a high-enough impact or is placed into water, it will "break," rendering the object useless and covering the surrounding area in soot, much the same as when the Laser Welder is used for long periods of time.
Lanterns are also very common items to be dispensed by the Vendor.
A vendor has a small chance of giving an advertisement for the several items and objects, including the lantern, similarly to the Slosh-O-Matic when it is to dispense human remains. Reading the advertisement, it is revealed that the lantern's model name is the Tri-Fusion Powered Lantern, and that the company manufacturing the lantern is known as Skywalker Technologies, among other information. The advertisement reads as follows:
The Tri-Fusion Powered Lantern!
Positively pulsating with power, the new Tri-Fusion lantern by Skywalker Technologies features increased brightness and longevity.
Now with %12 less conflegration capability, it's safer than ever!
Order now to qualify for accidental extermination cover!
The manufacturer of the Lantern, Skywalker Technologies is a obvious reference to Luke Skywalker from Star Wars.