Vibratone Hazardous Location Horn With Back Box, 120VAC - Available in 120VAC and 240VAC. Coded or sustained tones. Produces 100 dBa at 10 feet (110 dBa at 1 meter). Fuse terminal block provided for field wiring. Surface, flush or semi-flush mounting. Indoor or outdoor use. Type 4X, IP65 enclosure. IP69K compliant. CSA Certified. UL and cUL Listed for Class I, Division 2, Groups A, B, C and D & Class II, Division 2, Groups F and G & Class III.