Thanks to its carry case it is always ready to use and can be stored with its batteries for ten years in a backpack a vest or an emergency kit or used as a back up headlamp its white or red continuous 50 lumen lighting or strobe lighting helps you to be seen the whistle integrated in the elastic headband allows the user to signal an emergency weighing only 26 grams elite is an ideal emergency headlamp specifications light output 50 lumens weight 26 g beam pattern wide energy 2 lit