Military-grade flashlights with waterproof housing, numerous lighting modes, and lengthy battery life

https://www.scribd.com/document/992555209/Powering-Up-the-Future-The-Next-Generation-of-Rechargeable-Flashlight-Technology-162943

Military-grade flashlights with waterproof housing, more than one lights modes, and long battery life, engineered for fundamental missions and box sturdiness.