These Lightcup drinking vessels feature a solar or dynamo-powered LED lamp fixed underneath the lid that can be used as a flashlight or a warning signal (white or red light settings) when camping, hiking, etc. It’s an interesting idea, but it would be even more helpful if it included a UV light setting to sanitize nasty river water. The dynamo version is pictured after the break.
Product Page: Solar ($5) Dynamo / Hand Crank (Priced on request)
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Great idea! Especially for joggers out early in the morning before it’s really light out.
it’s just a drinking flask with a solar LED light on isn’t it? what does it actually do? does it keep your drinks cold/hot as well?