Approvals include: UL Standard 464 California State Fire Marshal (CSFM)<br/>Resonant grille design for high sound output with low current draw<br/>Each 31T is fully factory assembled to save installation time<br/>Screw terminal inputs for fast and secure in-out field wiring<br/>Indoor or outdoor mounting options for semi-flush or surface mounting<br/>Attractive red textured finish enhances appearance and durability<br/>Vandal Resistant
