Designed for activities where stealth is key hunting, fishing, nature watching..., the Petzl Tacktikka Headlamp offers versatile lighting: proximity or focused lighting for movement, Boost mode for temporary access to maximum brightness 160 lumens and red lighting. It features CONSTANT LIGHTING technology to ensure constant brightness over time, and a mixed beam wide, focused or red for discretion. CONSTANT LIGHTING: brightness does not decrease gradually as the batteries are drained. Several lighting modes suitable for different situations, from proximity lighting to rapid movement. White Light: Ambient: 5 lm brightness for 100 h, 10 m distance for 100 h, 100 h burn time. Proximity: 40 lm brightness for 8 h, 25 m distance for 8 ho, 8 h burn time. Rapid Movement: 110 lm brightness for 2 h, 50 m distance for 2 h, burn time 2 h. Boost: 160 lm brightness, 60 m distance, 10 s burn time. Red Light: Proximity: 5 lm brightness, 5 m distance, 100 h burn time. Strobe: visible at 400 m for 400 h. Boost mode for temporary access to maximum brightness. Red light combining visual comfort and discretion, red strobe light. Automatically switches to reserve mode when batteries are running low and then to red lighting when the batteries are nearly empty. Compatible with Ni MH or lithium batteries for greater burn time. Push button control is easy to use, even with gloves. Washable headband, designed for dynamic activities secure and absorbent Weight: 85 g Beam pattern: Mixed. Energy: 3 AAALR03 batteries included. Battery compatibility: rechargeable Ni MH and lithium. Certifications: CE. Watertightness: IP X4 weather resistant.