The Lighthouse Compact LED Headlight features the latest LED COB (Chip On Board) technology and provides a super bright, wide-angle beam that offers four output options of high, low, strobe or SOS mode. Small, bright and lightweight, this headlight is ideal for use around the home and for many leisure activities including camping, sailing, hiking and cycling. Perfect for use in emergencies such as power failures or when working on cars. Specification: Output: 40/150 lumensBeam Distance: 12-19mRun Time: 12 hoursPower: 3 x AAA batteries (supplied)Dimensions: 68 x 41 x 22mmWeight: 63g Ref: UTTK11188