The Lighthouse ZOOM headtorch provides an impressive 120 lumens of light from the latest, extremely powerful Cree XPE LED. It is ideal for anyone who needs to keep their hands free, whether working on the job site, cycling, camping or any number of activities or tasks. It has three functions: High beam, low beam and signal (strobe) when you want to draw attention. You can also fdegreesus the beam and adjust the head 90degrees to shine light where you need it. This headtorch is both shdegreesk and rain resistant which makes it ideal for outdoor use, and will provide a constant bright light for up to eight hours on one set of AA batteries, which are supplied.