Three output modes (high, low and emergency flash); Smooth and diffused light is ideal for reading and other close-range tasks; USB rechargeable battery charges in the light in 3.5 hours; Push-button switch with charge status indicator (Red = charging, Green = charged); Low battery indicator: light will blink when there is approximately 5 minutes of run time remaining; Durable, impact-resistant construction; Lightweight (1.6 oz) and low profile; IPX4 weather-resistant; 2m impact resistance tested; Visor clip, USB cord, and elastic headstrap included