Waterproof: These flashlights are designed to withstand underwater conditions and are often rated IP68, making them ideal for diving to depths of up to 100 meters. Powerful Illumination: High-power LEDs (such as the XHP70.2) are used to provide high brightness, typically ranging from 2000 to 8000 lumens or more, ensuring clear visibility in the dark or underwater. Durable Construction: The housing is often made of rust- and corrosion-resistant aluminum alloy to withstand harsh environments and impacts. Rechargeable: Typically powered by rechargeable batteries (such as 18650 or 26650 lithium-ion batteries). Multiple Lighting Modes: May include various lighting modes such as high brightness, low brightness, SOS signal mode, or strobe. Easy to Use: Equipped with a magnetic control switch or push button designed for easy underwater operation.