CONSIDERED TO BE THE FINEST FLASHLIGHT IN THE WORLD. DESIGNED AND BUILT TO LAST A LIFETIME. THIS IS WHY MORE POLICE, SECURITY, EMERGENCY, MEDICAL AND FIRE PROFESSIONALS AROUND THE WORLD RELY ON MAG-LITE FLASHLIGHTS. DESIGNED, ENGINEERED AND MADE IN THE USA. FEATURES: ADJUSTABLE BEAM, KRYPTON BULB (EXTRA INCLUDED IN TAIL CAP), SELF CLEANING SWITCH, FINEST METAL CONTACTS, COMPUTER DESIGNED REFLECTOR, HIGH-GRADE RUBBER O-RINGS ARE EXCEEDING RESISTANT TO WATER AND SHOCK, CORROSION RESISTANT ANODIZED FINISH INSIDE AND OUT.