Zoomable cycling LED headlamps are a cool and adaptable product, with many different varieties to choose from. With most models, you get some different options with how to use the LED lights--for example, you can choose to have multiple lights on or only one light on, and you can choose whether or not you want the light to flash (and if so, how rapidly it will flash).
Of course, you can use LED headlamps for other purposes, too, such as walking at night and going on camping trips. There are special lights you can buy, too, that are like the lights you see jewelers or other craftspeople wear so that they can see the intricate details of diamonds or other items that need to be examined closely.
I'd never priced headlamps before and was impressed at what you can get for a relatively low price while browsing on Eachbuyer.com. EachBuyer carries a lot of other products, too, including watches, clothing, and cellphone and tablet accessories. It's always good to find a new source for affordable products.