Headlamp keeps hands free for work and can be worn on the head with the headband, attached to the helmet with a mounting plate (included), or placed on the ground. CONSTANT LIGHTING technology ensures brightness that does not gradually decrease as the battery drains. Several lighting modes adapt to each situation: low mode adapted for close-range work: mixed beam with a wide, uniform flood- high mode adapted for movement: mixed beam with focused component allows user to move around comfortably. Lighting for professionals that is reliable, practical and durable:- automatically switches to reserve mode when batteries are almost drained (signaled by blinking light). 2 AA/LR06 batteries (included) Made in France.