This high-lumen flashlight can easily illuminate a dark area as large as a playground, illuminate a large area and long distance, suitable for mountaineering, camping, fishing, and adventure... You can use a mobile power supply or a laptop or plug to charge the flashlight, and the flashlight can be used for 12 hours when it is fully charged. 4 indicator lights showing power, respectively indicate 25%-50%-75%-100% power. This flashlight has four lighting modes: strong light-low light-flashing-side light, which can be selected according to different needs. The flashing SOS mode can be used for outdoor help. COB side light can be used as a spare light for maintenance work, work light, camping, and household emergency, and does not need to be held by hand, which is more convenient. This rechargeable flashlight is made of high-quality ABS plastic and is very durable. waterproof allows you to use it in rainy days, but please do not soak in water for a long time.Material: ABSSize: 14.5×5.6mmColor: Black4 Modes: strong light-low light-flashing-side light Package Includes: 2x Flashlight2x USB Charging Cable Note: If the pocket watch cannot keep time after you use for a period of time, it may the battery run out. Please prise off the back of the watch and change a 377 battery.