Whaitfire XM-L2 1000 LM Headlight USB Rechargeable Headlamp for Running, Camping, Hiking Adjustable Headband and 3000 mAh Battery 18650 Battery IncludedColor:One Light Features: 1, Super Bright Update L2 LED Headlamp. 2, Waterproof for bad weather. Just feel free to use it. 3, 3 Modes switch from Mid - High – Strobe (click two times). 4, Rechageable 18650 battery included allow you a long term using. BEFORE USE: 1, screw out the battery cover, take out the battery. 2, remove the protect sticker on the bottom of the battery. 3, charge the headlight for 6 hours first before first using. 4, if long term not using, please take out the battery. Charge it 2 months 1 time. 5, this is not a toy. please be careful when your children use it. Safety Warning: 1.Warning: Flashing lights may induce seizures in individuals with photosensitive epilepsy. Be cautious when activating the flashlight or when changing to strobe mode. Never point the flashlight in anyone's eyes. 2.Charging input should not exceed 7V.