TEQIN Built-in Magnet Portable Rechargeable Multifunction LED Camping Lantern Lamp Flashlight USB Charged Brightness Home Outdoor Flash Emergency lights 4 levels brightness and the 5th step is flash mode: 2%, 50%, 75%, 100%, and flashing 50% brightness with 1s' cycle It can be charged through the included micro USB cable Li-ion 2600mA battery provides up to 80 hours, durable aluminum and long life bulbs provide more than 36,000 hours of service Strong magnetic back attaches to any ferrous metal such as a car or truck, 2 lanyards included for extra convenience Package includes: 1 x LED portable lamp; 1 x Micro USB Cable; 2 x Lanyards; 1 x Operation Manual