1-30-Pack Headlamps-Ready for Any Dark Moment:Pack of 30 high-brightness headlamps to meet the lighting needs of your entire family or team! Whether it's a large-scale power outage, hurricane emergency, or fun-filled kids' party, our headlamps provide reliable and convenient illumination, keeping darkness at bay! Lightweight, comfortable, and long-lasting, they're a must-have for home, outdoor adventures, and emergency situations. 2-Requires only one AA battery:Powered by a single AA battery, this high-brightness headlamp is economical and convenient, with easy battery replacement anytime—perfect for power outages! AA batteries are affordable and widely available, offering more flexibility than rechargeable headlamps. Lightweight and comfortable, it's ideal for emergencies, outdoor adventures, and home backup lighting—your cost-effective lighting solution. 3-Super Bright & 5 Light Modes : 3 Levels of white light brightness (High/Low/Strobe) and two modes of red light (stay on/flash) illuminate up to 150ft away with the 150 lumen LEDs. 4-Easy to Use, Hands-Free Light: Whenever You Need It. headlamp shines bright and bulb lasts up to 100,000 hours, which is suitable for reading, camping, biking, cycling, riding, jogging, running, night walking, mountaineering, fishing, boating, hunting, car repairing, DIY works or any emergency situation such as fire, hurricane, snow storm or power failure. 5-Solid Housing, Water Resistant: Head lamp swivels can be 60 degrees adjusted and it is protected against splashing water from all angles. Whenever you wear the camping headlamp outdoors, you wouldn't need to worry if it rains or snow unexpectedly. Minimum unstreched head band is 36 cm/ 14 in. Maximum is 60 cm/ 23.6 in. Best headlamps for adults and kids. 6-What you get: 30 lightweight headlamps with 30 AA batteries.