Jeasun Q75200mah External Battery Charger and 500 Lumens Flashlight, 4 Modes Waterproof Durable and Portable Flashlight Handy and portable, work as camping light, emergency light or reading lamp etc. Waterproof IPX8 level, 2 meters guarantee for diving. Power bank function, charge your phone, pad etc with USB cabel. 5200mAh rechargeable battery, 350lm light output, 36000hrs LED lifespan. 4 Brightness Modes: Low, Middle, High, SOS