The Tricorder 1.5 upgrade can also be used on its own as The Traveller's Scanner. It can detect hidden cameras, hidden bugs, hidden trackers, biological residue, find north, verify IDs and money, and serve as a signal flare.
Some other uses for it include;
-Diagnosing ailments
-Detect hidden cameras
-Find veins
-Activate glow-in-the-dark items
-Reading invisible ink
-Find scorpions
-Find Tomato Hornworms
-Find bones in fish
-Detect certain skin conditions
-Find certain minerals
-Detect leaks with tracer dye
-Cure Nails
-Detecting hidden transmissions from phones
-Detect large magnetic fields
-Detect microwave oven leaks

The files are an optional carrying case.