Alt-Fire: Activates/deactivate flashligt
(+) (Activated) When pointing at a cloaked spy, you can see the spy's shadow
(+) (Activated) When pointing at nearby enemies (except for disguised spies), you can see their shadow through walls
(-) (Activated) Nearby enemies can see your shadow
(-) 20% slower deploy speed
(-) 10% less damage

If you like it let me know.