These electronic back-up alarms meet OSHA, Bureau of Mines, and all State regulations. The decibels of these vary depending on the model you chose, additionally with the SAE code. These alarms can be mounted horizontally or vertically, and are steam cleanable andprussure washable. Meets OSHA, Bureau of Mines, all State regulations Glass filled nylon housing Encapsulated solid-state electronics Steam cleanable, pressure washable Mount horizontally or vertically 12/24 VDC WBUA97 & WBUA107 dimensions: 2-3/4? (69mm) H x 1-1/2? (38mm) D x 4? (102mm) W WBUA112 & WBUA112C dimensions: 4? (101mm) H x 2-7/8? (73mm) D x 5-1/8? (130mm) W One year warranty Available in the following sizes Item # Output WBUA112C 87-112 dB WBUA97 97 dB WBUA107 107 dB WBUA112 112 dB th, td { padding-right: 20px; } .product-table-top { display: block; max-width: -moz-fit-content; max-width: fit-content; overflow-x: auto; white-space: nowrap; }