A headgear, such as a hardhat or fireman's helmet, having a light unit applied thereto, including a light source for illuminating selective areas adjacent the headgear and which includes a current source for energizing the light source. Said current source forms a part of a drive unit which includes a pendulum and a flexible shaft actuated by the pendulum for changing the direction of the light beam emitted from the light source in response to movements of the head of the wearer of the headgear,...