BlueDot Trading 12W Headlamp 12 LED Headlight Torch for Fishing, Mechanic, Inspection, Work and More Head Lamp has 4 modes of operation: 1st click - 4 x LEDs On 2nd click - 8 x LEDs On 3rd click - 12x LEDs On 4th click - 12 x LEDs Blinking 12 LED Lights - 4, 8, 12 LED and 12 LED flash, lighting modes Securely attaches to head, hat or helmet with adjustable head strap Battery Type: 3 x 1.5V &#034;AAA&#034; (Not Included) Dimensions: 2 3/4&#034; (width) x 1 3/4&#034; (height) x 2 1/2&#034; (depth) Lens Diameter: 1 1/4&#034; Weight: 4.3 Ounces (including batteries)