[EMERGENCY FLASHLIGHTS]: Energizer Vision Ultra HD LED Headlamp provides reliable, hands free light whether you're at work or play. It's an ideal choice for emergency kits, outdoor activities and more. Includes 3 Energizer MAX AAA Batteries. [ADVANCED TECHNOLOGY]: Wearable LED light features VisionGuard technology to enhance vision by gradually increasing light [HANDS FREE LED LIGHT]: Shines hands-free light on early morning or nighttime activities, making this an ideal emergency LED light and hiking, running and camping headlamp. [MULTIPLE LIGHT MODES]: Compact LED light features high, low, wide, wide low, green, and red or flashing red light modes to fit a variety of situations. [DURABLE CONSTRUCTION]: IPX4 water resistant light is impact-resistant up to 1 meter and features a shatterproof lens to ensure durability. [ADJUSTABLE BAND]: Headlamp band easily adjusts from 5.5 inches to 14.25 inches in diameter for a comfortable fit that accommodates most adult head sizes