Popon Mounting Of The Horn To The Baseweatherresistant For Both Outdoor And Indoor Paging Applicationsabs With Ultraviolet Inhibitors And Stainlesssteel Hardwareshatterresistant Mounting Basemounts To Eight Of The Most Popular Electrical Boxesnine Position Selector Switchoperates On 25 70 And 100 Volt Speaker Linesspecifications: 15 Watt 25/70/100 Volt Transformertaps: 15 7.5 3.8 1.8 0.9 Wattsavailable Colors: Beige Gray And Whiteavailable In Marine Versiondimensions: 6.5inch H X 8.25inch W X 10.125inch D