This warehouse doorbell kit includes two chimes and two low-voltage bells. Perfect for will-call counters, warehouse doors, and waiting areas, this wireless chime transmits from the doorbell button to the receiver chimes and low-voltage bells located up to 2500' or Â? mile away. This wireless chime is perfect for an office environment and warehouse combination. Place the chime in the office/waiting area/will call counter and the commercial bells in a loud environment or warehouse. This kit will cover a larger area with two loud ringing bells. The warehouse door chime produces a soft ring and can be placed within easy reach of the customer in any commercial space or office environment. The push-button switch features built-in audio volume control. The commercial door chime plugs into an ordinary electrical outlet and will play one of twelve different tunes selected in the chime kit. The bells sound like a fire-alarm bell. The two bells are wired to the chimes using 5â?? of low-voltage electrical wiring inith this kit. This complete commercial warehouse doorbell dual kit includes everything you need to easily install a warehouse notification system