Light output: 200 Lumens. Independent switches for headlight and sensor. Three function headlight: two Red LEDs on, two flashing Red LEDs and 3W White LED on. Sensor mode (LED is activated when an object crosses within 10cm of the lens). Comfortable adjustable head strap. Headlight pivots for angled use. Powered by 3 x AAA batteries (included). Great for hands free use. Ideal for night fishing, hiking, camping and working in low light conditions.