【High Brightness】 This LED headlight has a maximum brightness of 2000 lumens. The high brightness of the headlight and its long illumination distance make it perfect for night walks and activities in dark places! It's also useful during earthquakes, disasters, and sudden power outages. 【Three Lighting Modes and Warning Lamp】 Press the headlamp switch once for strong light mode. Press the switch twice for weak light mode. Press the switch three times for a mode that flashes blue and red lights. When the headlight is on, the red warning light on the battery case also lights up. This serves as a warning and signal function at night and in bad weather, letting others know of your presence. This makes nighttime activities safer. 【IPX5 Waterproof and Large Capacity USB Rechargeable Battery】 IPX5 waterproof specification, can be used in rain and snow. Includes three PSE-certified 18650 rechargeable batteries. The rechargeable headlight takes 6 hours to fully charge and can be used for up to 8 hours. 【Various Uses】 Suitable for jogging, camping, night fishing, hunting & shooting, running, reading, hiking, cave exploration, mountain climbing, cycling, kayaking, housing, construction work, and car repair, as well as night walks. 【Set Contents】 1 Headlight body (black) 1 USB charging cable 3 18650 batteries (approx. 2000~5000mAh) ■Gift! 1 COB-equipped LED flashlight ★Please charge for approximately 4-6 hours. Charging: X mark red Charging complete: X mark green When charging, the X mark emits a very weak light, so you can check it in a dark environment. ★The battery printing and capacity may vary depending on the supplier's specifications. We basically provide 3000mAh batteries, but in some cases, there may be 2000mAh or 5000mAh (or even more than 5000mAh) batteries.