This was a quick video demonstration of the 2020 Sofirn C01 AAA twisty keychain flashlight in action, its red-body version having an unknown 670nm red LED inside. Streamed live on evening Jan 22nd, 2021 from snowy Russia.
2020 Updated Sofirn C01 670nm Deep Red LED Night Vision AAA Rotary Keychain Flashlight Outdoor Demo, 1080p, Original Live Stream
Cute pups keeping warm together—thanks for sharing your video.
Was that on the highest setting?
In Sofirn C01, both red and warm white versions, there is only a single mode. So yes, the highest output on a fresh battery.