Bell Ringer, Wall Mount, Shape Rectangle, Case Material Steel, Case Color Charcoal, Connector Type RJ45, Voltage 24VDC, Width 5 1/4 in, Depth 1 1/4 in, Height 4 1/4 in, Features 1 Amp, 24V DC Bell/Horn Signaling Interface, Durable Steel Casing, Single Zone Configuration, Unlimited Timed Bell Events (Maximum 15 Seconds) Per 24-Hour Period, For Use With 1PB86, Includes 50 ft Cable, 5300 24V Single Zone Bell Ringer, Mounting Screws, RJ45 Y Splitter, Transformer, User Guide.