Three output modes: o High: 180 lumens; runs 4.5 hours o Low: 35 lumens; runs 21 hours o Emergency flash – flashes on high – 180 lumens Smooth and diffused light is ideal for reading and other close-range tasks USB rechargeable battery charges in approx. 3.5 hours Lightweight 2.7 oz. (45.4g) and low profile Push-button switch with charging indicator – shines red while charging, green when charged Durable, impact-resistant construction; IPX4 weather-resistant Includes visor clip, 5 (12.7 cm) USB cord, and elastic headstrap 2 year limited warranty