Vibratone Horn With Weatherproof Back Box, 120VAC - Available in 120VAC and 240VAC. Coded or sustained tones. Wall mount. Produces 100 dBa at 10 feet (110 dBa at 1 meter). Fuse terminal block provided for field wiring. Indoor or outdoor use. Type 4X, IP65 enclosure. IP69K compliant. UL and cUL Listed.