A smart headlamp for various applications: Jogging, cycling, camping, climbing, repair, emergency lighting and much more! Super bright and powerful headlamp: With a range of up to 140 metres and a 1000 lumen bright light beam, the Array 2S in combination with the lightweight, elastic and sweat-resistant headband and 60° adjustability offers optimal conditions for outdoor adventures. Safety... at the back of the head: The red power level indicator on the battery pack also serves as a tail light, drawing the attention of road users.