Splash proof Headlight with 5 LEDï ½s. For optimized comfort the energy (3 Ansmann AAA batteries included) are at the rear of the headb&. The light intensity is 40 lumen & has a beam of approx 100m. The angle of the Headlight is adjustable. The operating time is up to 20 hours. 3 years warranty. Ideal for runners & cyclists.