machine from solid rigid aluminum , this be a small well design and well make metal flashlight that deliver a strong white light for only $ 11.75 . it take two aa battery by unscrew the end cap which have a rubber o ring to keep out water . it fit easily in you hand and turn on by twist the end with the light so it can no accidentally go on like some other light with switch or button . it be not a fancy ultra lead light like some more expensive one on the market and those have they place in you house , but with this one you get rugged , reliable bright light for just a few buck so you can afford to buy several and keep they in different place in you house or car for handy use .