Measures water pressure

Detects moisture in 

unwanted 

areas

For inspecting in hard to reach 

places

For measuring temperature

hard to reach places

For detecting carbon-monoxide

in places where it is potentially dangerous

For measuring critical distances against a building code

For safely opening various compartments

For cutting safely!

For unscrewing a variety of different fastenings.

Detects even minute quantities of potentially dangerous gases.

For measuring voltage in wall receptacles

For making sure floors, walls, door frames, etc are plumb/level

Detects current, or lack thereof in wall receptacles. Can also detect dangerously configured sockets.

.

For measuring exact amperage and volts