Nitecore 500 Lumen USB-C Rechargeable Keychain Flashlight Black

Brightness Output by Mode Turbo
Output: 500 lumen
Runtime: 15 min
High
Output: 200 lumen
Runtime: 45 min
Mid
Output: 65 lumen
Runtime: 2.5 hr
Low
Output: 15 lumen
Runtime: 8 hr
Ultralow
Output: 1 lumen
Runtime: 60 hr