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FEATURES: Rechargeable through the USB port on the magnetic tailcap. Powered by a customized 650mAh rechargeable RCRA battery with a maximum output up to 600 lumens.

https://en.wikipedia.org/wiki/Headlamp

https://en.wikipedia.org/wiki/Headlamp_(outdoor)

https://en.wikipedia.org/wiki/Headlamp_washer

https://en.wikipedia.org/wiki/Headlamp_flashing

https://en.wikipedia.org/wiki/Headlam_Group

Amazon.com: flashlights for kids

Flashlights For Kids – Best Buy