Features:Innovative design, waterproof, IP up to IPX8.Four mode switch: 8% brightness- 30%brightness - 100%brightness - flash 8% brightness.The lamp has intelligent identification chip and it can charge for the mobile phone, ipad and other USB Electronic products.With high capacity battery, can stand for a long time after full charge.Li-ion 5200mA battery provides long working time(depending on the brightness level you select) of light per full charge.It can be charged through the included micro USB cable.Durable aluminum and long life bulbs provide more than 36,000 hours of service.With magnet, can be attached to any ferrous metal such as a car or truck, 2 lanyards included for extra convenience.