The Gentex SSPK24CLP is a ceiling mount, selectable candela speaker/strobe and the SSPKCLP is a ceiling or wall mount speaker designed to meet code requirements for audio, visual and voice communications. The SSPKCLP Series are quality speaker products that offer both dependable evacuation signaling and visual alarms, or a combination of both. The SSPK24CLP has high output tamperproof candela selections are 15, 30, 75, 95 and 115.