Nitecore HC30 1000 Lumens LED Headlamp Plus NL1834R 3400mAh High-Drain Rechargeable Battery with Built-in Micro-USB Charge Port, LumenTac USB Cable, LumenTac Battery Organizer DUAL PURPOSE FLASHLIGHT/HEADLAMP  Use as a headlamp perfect for hands-free lighting activities such as camping, hiking, running, exploring, and other outdoor activities; or as a hand-held flashlight that can be easily attached to a variety of places with included stainless-steel clip. SIMPLE USER INTERFACE  Rapidly switch between five brightness levels via a single-button design conveniently located on the sidefrom ultra-low to turbo and three special modes of SOS, strobe, and search beacon. COOL TO THE TOUCH  Featuring the patented Advanced Temperature Regulation (ATR) technology, the HC30 was designed to keep to keep the light from ever overheating, & with heat dissipation to remain cool to the touch. COMFORTABLE YET DURABLE  Super compact and lightweight full-metal construction provides flexibility in use and rugged durability, while the nylon headband fits snugly yet comfotably in place. PACKAGE CONTENTS  Bundle Includes a Nitecore HC30 1000 Lumen Headlamp light (Cool White), Adjustable headband, removable steel clip, spare o-ring, & instruction manual with warranty catrd PLUS: Lumen Tactical Battery Organizer (holds 2x 18650 batteries, or 4x CR123A batteries), 1x Nitecore NL1834R High-capacity 3400mAh 18650 battery with built in micro-USB port & Lumen Tactical USB to Micro-USB charge cable for on the go charging without the need of an external charger! <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