Tracker is a handy pocket flashlight of 9 cm in length which attaches to almost anything making it an ideal hands free flashlight. The Tracker easily fits into tool/fishing boxes, photographer's equipment, travel bags and is perfect for any outdoor activity, scuba diving, home, office or emergency lighting. Submersible to 150 meters, the tracker is ideal for anyone to use as a warning or emergency light. It includes 2-AAA cell Alkaline batteries and is ATEX approved. Unconditionally Guaranteed... forever.