Petzl Zipka Pro 2 Headlamp Automatic Features: Output bright can come

Features: Output bright can come to above 100 lumens [lm]

5 seconds on any lighting mode to access strobe

Low: 18lm/36 hours Battery One 18650 rechargeable Li-on battery or two CR123

Using 2* 18650 rechargeable batteries

Petzl Zipka Pro 2 Headlamp Automatic Features: Output bright can comeUltra compact headlamp with retractable cord and wide beam for close range work Headlamp keeps hands free for work: with its ZIP retractable cord, it may be worn on the head, on the wrist, or mounted on different surfaces Ultra compact and ultra light: the self adjusting ZIP retractable cord is ideal for occasional use Compact, for easy storage in a pocket Ideal lighting mode for all close range work: wide, uniform beam Constant lighting, guaranteed