Warehouse Doorbell & Will Call Doorbell & LOUD Ringing Wireless Doorbell - Wireless warehouse doorbell and low-voltage bell kit. The signal is sent from the door bell button to the receiver chime and low-voltage bell located up to ½ a mile away. The wireless chime produces a soft ring and has a built-in volume control. The bell sounds like a fire-alarm bell. The chime plugs into an ordinary electrical outlet. The bell is wired to the chime using 5? of low-voltage electrical wiring included with this kit.