1. Super Brightness & Long Life The headlamp uses high quality bulbs with a rated life of up to 350,000 hours. It delivers up to 900,000 lumens and a irradiation distance of up to 3280 feet (1000 meters). High brightness can be used for about 10 hours and low brightness for more than 45 hours. 2. 90 degree Adjustable & Five Modes Beam is adjustable through 90 degrees to cover the full field of vision from front to back. The headlamp has five light modes: high, medium, low, stroboscopic, magnifying. A zoom function is available to focus the beam as needed. 3. USB Charging & Power Display The headlamp features USB charging and power output design. You can charge the headlamp from any USB port outdoors, and it can also power a phone when needed. It includes circuit protection for charging safety and a power display. 4. IPX7 Waterproof & Weatherproof IPX7 waterproof and weatherproof, suitable for outdoor night walking, running, camping, mountaineering, and other outdoor sports. It has strong waterproof and anti-fall performance and can withstand heavy rain, extreme cold, and high temperatures. This product is well suited for outdoor activities and emergencies, providing powerful illumination, long battery life, flexible beam control, versatile charging options, and robust protection.