Adelante is an easy to use and compact light for bicycle or universal daily use. The small size of the Adelante allows it to be more easily stored in user’s pocket or bag when it is unused, and the unique method of magnet circuit connecting offers a high degree of intuitive and flexible usability- the Adelante is comprised of the lighting head and mounting tail. All lighting components and batteries are integrated in the lighting head, and there is a build-in magnet on the back for intuitively and promptly mounting. When the light head is attracted on the mounting tail via the magnetic force, the lighting power circuit is also connceted at same time. This feature combines the procedures of installation with power switch into only one simple and intuitive behavior. Moreover, the Aldelante light also can be used anywhere via connecting the daily metal things such as coin and even key.