The uses for this light are endless way more than the heading could take. Dull bulb its a lamp -FREE bulb. Bright bulb its a spotlight -FREE bulb. Other than keeping to LED and 10watts max is advised but comes with a LED bulb dull or bright. The scope comes with all but the eye part and the end caps can, well the outer 1 can used to darken the light.
You could make a perspex cap for the end and turn it into a BATMAN light with a sketch. There are many things you could draw or stick on to cast on the wall via the light a pattern. You could use it to highlight a photo or portrait ...