Lampe Supe Flash light

Lampe Supe Flash light
A flashlight or torch in British English is a portable hand held electric light
Usually
the source of the light is a small incandescent light bulb or light emitting diode LED A typical flashlight consists of a light bulb mounted in a reflectora transparent cover sometimes combined with a lens to protect the light source and reflector a battery and a switch. These are supported and protected by a case
The invention of the dry cell and miniature incandescent electric light bulbs made the first battery powered flashlights possible around 1899 Today flashlights use mostly incandescent lamps or light emitting diodes and run on disposable or rechargeable batteries
Some are powered by the user turning a crank or shaking the lamp and some have solar panels to recharge a battery
In addition to the general purpose hand held flashlight
many forms have been adapted for special uses Head or helmet mounted flashlights designed for miners and campers leave the hands free
Some flashlights can be used underwater or in flammable atmospheres