SD100 waterproof siren is to be used in NON ATEX areas for indoor and outdoor use and more specifically in harsh environments and fully meets the specifications of standards IEC 60947 and EN 54. It is dedicated for the most severe non-ATEX industrial environments IP & IK high. It is possible to select 1 tone from the 59 pre-recorded, including the main usual alarm tones. Optionally it is possible to integrate the activation of the siren by a telephone line. The assembly is molded in heat-protected Polycarbonate.