The light is controlled and conveyed by a special optical fi bre screen that ensures concentration of the rays to allow maximum performance of the equipment and reduction of treatment times. The equipment has a rapid polymerisation function for use on the protective liquid dam.The machine has an electronic control that manages the treatment times, pauses and activation. A large liquid crystal display allows the user to monitor all the functions of the equipment and view each function. PEARL has been designed to take up very little room. It has a solid, stable and balanced base with wheels so that it is easy to move around. The lamp has a full rotation system so that it can be positioned as desired.