Model SLM800 is a high output multi-functional electronic sounder developed with a multiple input technology that is capable of producing two different tones (pre-alarm, alarm) controllable via independent electric contacts. Model SLM800 offers a high acoustic performance through 2 channels offering 64 tones, 32 tones per input selectable via dip switch. Both channels offer a powerful electronic tone adjustable from 65 dBA up to 115 dBA at 1 m. Model SLM800 body material is a self-extinguishing polycarbonate material with high impact and UV resistance suitable for outdoor applications.