1. It can be used as a flashlight, or it can be placed in the tent and turned on the taillight to use as a tent light. 2. It is small and convenient, uses solar charging, and can also accommodate direct 110V-220V charging. How to use: 1. When charging, plug one end of the AC power cord into the emergency light and the other end into the AC110V/220V power socket. The charging indicator light will light up and it will charge automatically. It takes 8 hours for the power cord to be fully charged. 2. When using, press the flashlight switch, press the tail once for full light, press it again for single side light, and turn it off. 3. If you don't use it frequently, please charge it every two months. [Contents] - In the box: 1 fast-charging mobile power bank, 1 USB-C charging cable. Please keep the product away from fire.