Silva jogger headlamp 45 lumens for strong illumination when street lighting just isnt enough silvas new jogger headlamp is your choice dont let darkness stop you from going out jogging or walking in the evenings or early mornings our jogger headlamp is a reliable companion during your exercise routine one very high power led lights up your way for when you need to complement low street lighting the compact size and lightweight design with the batteries integrated in the headlamp body