The Olight Array 2S is a super bright and powerful rechargeable headlamp! Perfect for running, camping, fishing, climbing, outdoor activities, and even household or general use. With three light sources and SOS mode you are provided with ten different useful setting and mode memory. This headtorch also has non-touch hand wave control; left/right wave to switch mode and up/down to change brightness, so you can quickly change your lighting conveniently. The headband is also lightweight, elastic, and sweat-proof that can adjust 60 degrees.