video
2 PACK AND COMBO E007000 more details.
https://www.snagshout.com/offers/sarki-led-headlamp-flashlight-350-lumens/2fcb70
Optimal for packstrap/pocket/. Pocket and in one with magnetic charging.
OSRAM Waterproof 3000 LED Head Torch , Frontal LED w/ 18650 Rechargeable Battery 3.5mm charge port.
https://en.wikipedia.org/wiki/Headlamp
https://en.wikipedia.org/wiki/Headlamp_(outdoor)
https://en.wikipedia.org/wiki/Headlamp_washer
Fenix Flashlight, Headlamp, Fenix Flashlights – BrightGuy, Inc
Candlepower Compared to Lumens | Lumens vs. Candlepower
Black Diamond Spot Headlamp – 2016 – REI.com
Black Diamond Spot Headlamp – REI.com
PD35 TAC Tactical Edition LED Flashlight, PD35 TAC 1000 Lumens