The Petzl PIXA series are designed to fit the needs of the professional. These headlamps are shock resistant, water resistant and offer versatile lighting style depending upon which lamp is acquired. The Petzl PIXA 1 is the most basic of the set and offers a task style lighting, which allows the wearer to perform technical work and is adaptive to movement within close spaces. The PIXA 2 takes off from the 1 and incorporates an adaptive movement mode which lights up the users peripherie and allow a good free range of sight without requiring the movement of the users head, The PIXA 3 adds in a spot light function, while the PIXA 3R offers all of the above in a rechargeable format. All of the headlamps of the PIXA series may be removed from their backing plates and inserted directly into the Petzl VERTEX and ALVEO series of helmets. A rubberized headband is also available to facilitate better purchase on unrelated helmets.