Nitecore HC30 1000 Lumens Rechargeable LED Headlamp with Battery and Charger Bundle Includes the newest Nitecore HC30 1000 Lumen Headlamp with high-capacity 18650 rechargeable battery and LumenTac single-channel charger. Five rapidly switchable brightness levels from ultra-low to turbo and three special modes of SOS, strobe, and search beacon. Features Advanced Temperature Regulation (ATR) technology to keep the light from overheating. LED lights tend to be hotter than conventional lights but the ATR keeps it comfortable and safe to wear. Super compact and lightweight full-metal construction provides flexibility in use, while the nylon headband fits snugly yet comfotably in place. Perfect for hands-free lighting activities such as camping, hiking, running, exploring, and other outdoor activities. <span class="a-text-bold">Turbo:</span> 1000 lumens / 1 hr <span class="a-text-bold">High:</span> 400 lumens / 3 hr 30 min <span class="a-text-bold">Mid:</span> 210 lumens / 7 hr 15 min <span class="a-text-bold">Low:</span> 70 lumens / 15 hr 15 min <span class="a-text-bold">Ultralow:</span> 1 lumen / 330 hr <span class="a-text-bold">Strobe:</span> To disorient and alert <span class="a-text-bold">SOS:</span> For emergency alerting <span class="a-text-bold">Beacon:</span> For location signaling