Multipurpose Ultra lightweight AA headlamp Effortless to carry Weighting only 43g (headband included), as light as a pair of wireless earbuds, the HA15 UHE is effortless to wear and offers youre a more enjoyable outdoor experience. 6-cire UHE LEDs, excellent performance The HA15 UHE is quipped with 3 dual-core UHE LEDs, allowing it to deliver powerful lighting efficiency. 100 Lumens LOW level, lasts all night long The HA15 UHE is designed with an ultra-low loss current circuit. When the battery is fully charged, it can last up to 10 hours and 30 minutes as the frequency used 100-lumen level. Light up your whole night. Dual power options The HA15 UHE features a wide voltage range and is compatible with various AA batteries and the NITECORE NL1411R 14500 Li-ion battery. Whats in the box? HA15 UHE Alkaline AA battery included Headband Clip Diffusing stuff sack Specifications: Max Output 400 Lumens Max Beam Distance 80m Max Beam Intensity 1,931 cd Max Runtime 114 h 0 m LED 6 x NiteLab UHE LEDs Battery 1 AA, 1 x NL1411R Special Modes Location Beacon, SOS, Warning Flashing Beam color White Light, Red Light Dimensions 67.4mm x 28.6mm x 33.4mm (2.65″ x 1.13″ x 1.31″) Weight 43g (1.52 oz) Feature Dual Hybrid Power Source, Matrix-Design 6-Core UHE Optics Activity Outdoor/Camping, Hiking/Trekking, Night Running