Nitecore T4K Keychain EDC Flashlight, 4000 Lumen LED Super Bright and USB-C Rechargeable with LumenTac Keychain Light - - Amazon.com
Nitecore Lights - 🔥 T4K - 4000 lumen First look video dropping tonight! Saw some comments on other videos, some were asking why stop at 200 lumens? Why not have 800, 1000,
Nitecore T4K flashlight review - Put 4000 lumens in your pocket! - The Gadgeteer