Flashlight - Applications

Lumen ranges of flashlights
Lumens (range)	Type	Applications
1-2	Keychain	Finding keyholes, close range use, supplement to dark-adapted vision
around 30	General purpose	Household use, car repairs, hiking on a trail
100 and above	Tactical flashlights	Weapon mounted lights
200 and above	Bicycle headlamps	Light use depends on speed, quality of trail, surrounding light
1000 and up	High powered	Outdoors, search and rescue, caving, night orienteering, high-speed bicycle use, diving

Other styles of flashlight

A penlight

An LED headlamp

Miniature LED flashlight on a key chain, powered by lithium primary coin batteries.

One style of diver's lamp.

Non-incendive flashlight for use when inspecting areas full of flammable gas.

Inspection light with flexible gooseneck mounting for lamp.