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Bike . UV/IR . Pointer. Accessories.

I travel with 2 (1 on my & 1 spare) and a beam attached to my belt. Yet if there’s sufficient mood/start i’ll use neither.

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

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

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

Amazon.com: laser flashlights

FlashTorch – World’s Brightest Flashlight | Wicked Lasers

Laser Pointer Flashlight Combo – Sears