Notice Please adjust the headlight angle gently!!! Do not exert too much when adjusting the angle of the headlights, lest you break the headlight!!! XTREME bright & long lasting & long press - LED + COB dual light source. The 300 Lumens USB rechargeable led headlamp generates a powerful beam with daylight color and red light option. Runtime of up to 6 hours on low and 2-3 hours on high. The headlight also adds a long press function, hold the key mode button for about 3 seconds, you can turn off the light in any mode directly without cycling through all light modes. ULTRA Lightweight and Comfortable - Weighing just 2.4 oz (batteries included), it's the ideal headlight accessories for runners, outdoor adventurers, households, adults and children. Waterproof and Shockproof - can be immersed in water for a short time, try not to exceed half an hour. 2 meter drop test. IK1000 headlights are the perfect addition to your running, camping, fishing, hiking, hiking, hunting or cycling gear. degrees gives you the freedom to direct the light exactly where you need it. Quickly choose from 8 lighting modes. (LED beam: high, medium. COB beam: high, medium. Red light: high, strobe. Sense MODE: high, low.). Independent Dual Switch Design. 60 Days Warranty - Any questions, please contact us anytime. We will solve it for you within 24 hours.