Designed for Outdoor Activities The Nitecore HA11 Headlamp is the ideal for outdoor activities. It produces up to 240 lumens of light that reaches 98 yards with 3 brightness levels, giving you peace of mind on those late night runs, or camping and hiking expeditions. The secondary red LED can be instantly accessed for low light condition map viewing, emergency response, signaling or night photography. Additionally, the ultra lightweight shock cord is highly reflective and phosphorescent so it glows in the dark, keeping you safe and visible at night. Compact Ultralight Headlamp It weighs only 1.27 oz with the battery included. You can comfortably wear the headlamp for an extended period of time with the shock cord or use the included clip attachment to snap it onto a hat, or backpack strap. The durable unibody frame is impact resistant with a waterproof rating of IP66, ready for any tough outdoor environment. Easy to Operate, Easy to Maintain The Nitecore HA11 is powered by just one commonly available and economical AA battery This high efficient headlamp can run up to 40 hours on its lowest setting covering over a full day of use. Use one switch to activate the headlamp and cycle through its three brightness settings and conquer the darkness. What's in the box: • HA11 • Headband • Clip • AA Battery NITECORE HA11 At-A-Glance • 240 lumen ultralight headlamp • Instant access red LED • Single AA battery powered • Reflective and phosphorescent shock cord • 40 hour runtime max