Yalumi LED Headlamp Spark Dual, Lightweight 2.7 oz, for camping, running and hiking, 3 Energizer Batteries Included, Water resistantup to 90-Meter, Advanced Optics, 1.5X Brightness, Long Battery Life Uses sophisticated optical lens for enhanced beam with 5 light modes (white: economic, high-brightness, strobe; red: constant, strobe) White LED with 105-lumen light output and 90-meter beam length provides 187 hours burn time in economy mode and 95 hours in brightest mode Highest-quality Cree high-power XP-E LED for white spotlight; red LED provides strobe for safety signaling; 3 AAA batteries included Adjustable headband, lamp illumination angle tilt and lock mode to avoid accidental enabling and battery drain when stored in pack or pocket Compact, lightweight design for use in outdoor activities with IPX4 rating for water resistance