1,The light is always bright, the light can last about 8 hours in low light mode, and 4 hours in strong light mode. The green light flashes when charging, and the light stops flashing when it is fully charged 2,Built‑in 1800mAh lithium battery, using USB cable to charge, the light can also be used as a mobile power source to charge your mobile phone in an emergency 3,Lightweight and portable, there is a hook on the top, which can hang the tent light upside down. Adopting the function of a magnet base and can also be adsorbed on some metal surfaces 4,This camping lamp has IP45 waterproof function and can be used indoors and outdoors, which can meet your needs and give you a good experience 5,Simple to use and does not require complicated installation tools. Suitable for outdoor activities such as tents, camping, hiking, fishing, car maintenance, emergency and so on Item Type: Tent Light Material: Shell ABSandLampshade PP Product Size: 68mm/2.7in in Diameter, 48mm/1.9in in Height Battery: Built-in 1800mah Polymer Lithium Battery (built-in battery shipped) Charging Method: Micro USB Input: DC 5V - 1A With USB Reverse Charging: 5V 1A Color Temperature: 5500K Luminous Flux: 300lm Mode: 3 Level Adjustment (high light and low light and burst flash) Features: There is a Magnet on the Back; It Can Be Used As a Power Bank 1 x Tent Light 1 x USB Charging Cable Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.