For over a hundred years, property owners have relied on Auth-Chimes for high-quality, maintenance-free door enhancements. Auth's time proven design, quality materials and acoustically buffered strike pads work harmoniously to create a rich and distinctive two-note musical tone that is always pleasant to the ear. Auth chime models allow your residents to see out, while preventing unwanted visitors from seeing in. And, because our chimes are not dependent upon electricity, you never have to worry about power failures, worn batteries, or frayed wires. Florence Manufacturing continues this proud tradition of exceptional design, unmatched durability and affordable elegance; so don't open the door to just anyone, let us find the right chime for your specific application.