4 lighting modes. 3 levels of white light brightness(2 leds, 10 leds and 18 leds) and a red flashing mode are available. Light weight and adjustable. Weighing only 2.85oz and with its easily adjustable, elastic headband, the headlamp is perfect for anyone who needs a headlamp. Water resistance. The IP44 rating means it is protected against splashing water from all angles.