Horns: Type - Single Projector Vibrating; Application - Industrial; Mounting - Conduit or Surface; Mounting - Connection - 1/2" NPT; Operating Voltage - 120VAC; dB/10-Ft - 97; Enclosure Material - Corrosion-Resist; Enclosure Rating - Weatherproof; Size - in - 5.50Dia x 9.50L; Manufacturer Series - Adaptahorn