If you are in the market for a high performance flashlight, than look no further than this Pro Zoom light.High performance optical focus flashlight  made from impact resistant alloy and it is also water proof.It can withstand extreme temperatures from freezing to boiling.Pro Zoom has a built in zoom function and  is  compact to fit in your pocket.The high powered bulbs are up to 40 times brighter than regular flashlights.Bulbs last more than 10,000 hours.Requires 3 x AAA batteries which are not included.