This hand-held EDC pumps out 1900 lumens of light to over 300m

equipped with dual switches (tail and side) making it super convenient!

The IP rating allows 2m water submersion and the 18650 Acebeam battery will keep it running for as long as you need.

Acebeam says 3 hours for a fully charged unit, which can be done with the battery in the unit from any USB source.

Go on, get a decent torch in your office / house.