5 lighting modes: High, Medium, Low, Flash, SOS/Emergency, long press the switch to turn off. Threaded flashlight waterproof heat dissipation design, IPX65 waterproof, suitable for hiking, camping and general home use.Brightness enhancement, 3000 lumens, the range can reach 0-400m. The flashlight uses rotary zoom technology, which can increase the aperture size anytime and anywhere to meet your indoor and outdoor daily lighting needs.This LED flashlight is powered by built-in 18650 Li-ion battery and has a USB cable that can be connected to a computer, mobile power adapter, etc. This is very convenient. With 3-4 hours of charging, the maximum brightness can be 4 hours, and the battery life can be up to 50,000 hours.The material of the flashlight lens: sturdy convex acrylic lens, aluminum alloy flashlight, durable in all weather conditions.USB rechargeable Flashlight, built-in 18650 battery, USB cable, anti-lost cable. Built-in battery, non-removable batteryProduct DescriptionMaterial: Aluminum AlloySize: 150 x 40 x 40mm