Compatible with American, Cincinnati, Faraday, Lathem, Simplex and Stromberg 3-wire synchronous systems.
This best-selling multi-system digital clock can function as a complete system or as an add-on to several major brand systems. The highly visible, super-bright display makes it the perfect choice for large rooms or hallways.
Size: 6 1/8" x 12" x 3 1/2"d
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