sigma micro led light features a practical, useful and light design with just 20 grams of weight. it constitutes a model multifunction with the addition of two strings of different lengths velcro and strap unifit to place the light for example in town, in the arm or in the backpack. with two modes permanent light flashing and the incorporation of a universal red led, the micro model is a perfect security option that can be used both in daily life and in sport. features: -universal red led safety light. -side visibility. -two modes of function, permanent and intermittent. -2 strips of different lengths and unifit strap velcro. -changing the batteries without tools (2 x cr 2032-included). -switch accessible button. -splash guard. -weight: 20 grams.