The Lighthouse Elite 3W LED Zoom Headlight has a super-bright CREE XPE LED, with 3 functions: high, low and signal (strobe) when you want to draw attention. You can also focus the beam and adjust the head 90° to shine light where you need it. This headtorch is both shock and rain resistant which makes it ideal for outdoor use, and will provide a constant bright light for up to 8 hours on one set of AA batteries. Ideal for anyone who needs to keep their hands free, whether working on the jobsite, cycling, camping or any number of activities or tasks. Specification: Output: 60/120 lumensRun Time: 8 hoursBeam Distance: 80/100mPower: 4 x AA batteries (supplied)Weight: 327g