It comes with a built-in flashlight, a radio, various tracking devices, a compass, and a Geiger counter. The suit can be charged by various means, and has its own oxygen supply and medical injectors, such as morphine and a neurotoxin antidote. A fully charged suit can survive several dozen hits from small arms and even one direct hit from an RPG. The suit's main feature is its 'high-impact reactive armor', an electrically powered armor system that, when charged, absorbs two-thirds of the damage that Gordon would ordinarily suffer in Half-Life and 80% in Half-Life 2. The suit is designed to protect the user from radiation, energy discharges, and blunt trauma during the handling of hazardous materials. Gordon wears a special full-body hazmat suit, known as the Hazardous En vironment Suit (or HEV Suit). The crowbar, Freeman's most iconic weapon.