Compact rechargeable LED handheld lighting with zoomable lenses, strobe and SOS capabilities, and waterproof ratings

https://www.scribd.com/document/992501605/Adapting-to-Darkness-How-Flashlights-Have-Evolved-to-Meet-the-Needs-of-Modern-Military-Operations-143111

Compact rechargeable LED hand held lighting fixtures with zoomable lenses, strobe and SOS features, and water-resistant ratings, greatest for biking, tenting, pressure outages, and commonly used initiatives with minimum protection.