How do these extreme lumen flashlights manage heat and power consumption

This flashlight is compact and lightweight, making it easy to store in your car's glove compartment, center console, or door pocket. Built for the toughest conditions, this water-resistant flashlight has an IP66 rating, dustproof, and is rated for 13 - feet drops. The REDLITHIUM™ USB Battery ... Overview ... The Husky 5000-Lumen Dual Power Rechargeable Flashlight provides brightness and extreme long life. This 4-light mode flashlight brings superior ... The BRAUN™ 1800 Lumen Rechargeable Waterproof Tactical LED Flashlight casts a brilliant beam of light up to 740 ft. away. This flashlight has a 30 second, high- ... Nice and small, and very handy. Review by Jim on 11 Nov 2020 review stating Nice and small, and very handy. Small enough to carry and yet bright enough. Well ... SKYLAR 3300 LUMEN FLASHLIGHT · Premium alkaline batteries included · We've got your back · Defaults to high when off for 15 seconds · Bright strobing light for ... Comparing different flashlight brightness levels can be tough because our eyes perceive light differently. A lumen is a measure of brightness put out by a lightsource. That's it, it's just a way to measure how bright something is, with that something usually being a ... Customer Reviews 2 item(s). Amazing product! This light is an absolute BEAST! I loaded the included AA alkaline batteries and fired it up and it shone like ... Unmatched Brightness: The IMALENT MS32 Brightest Flashlight boasts 200,000 lumens, lighting up to 1,618 meters – equivalent to over 100 car lights. Smart OLED ...