High power, super bright 3W LED. 140 Lumens. On/off push button. Illumination distance: approx 50m. Opening angle of illumination 115 degrees. Adjustable inclination: 0 to 90 degrees. Adjustable optical zoom to focus or dissipate the light. Adjustable headband and foam brow pad for added comfort. 2 in 1 functions: mount on cap/helmet using clips or use elasticated headband. Hands free headlight for any situation including: outdoors, camping, D.I.Y., fishing, hiking, car emergency or repair, garage, crafts, hobby. Requires 3 x AAA batteries (supplied)