Notice Please Gently Adjust The Headlight Angle!!! Do not overexert when adjust the headlight angle lest breaking off the headlamp!!! XTREME BRIGHT & LONG-LASTING & LONG PRESS - LED+COB dual light source. USB rechargeable 100 Lumens led head lamp 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. Headlamp also add 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 only 2.4 oz (included batteries), it is the ideal headlamp accessories for runners, outdoor adventurers, household, adults and kids. WATPROOF AND SHOCK RESISTANT - Can be immersed in water for a short time, try not to exceed half an hour. Drop test 1.5 meters. The IK1000 headlamps are the perfect addition to your running, camping, fishing, hiking, backpacking, hunting, or cycling gear. 8 MODES & MOTION SENSE FUNCTION - The 45 degree adjustable headlight gives you the freedom to direct 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 double switch design. Any question, please