Our wireless "Original" Bell Kit is similar to our wireless chime kit except that it also includes a low-voltage "Original" Bell in addition to the electronic chime. The "Original" Bell rings at about 60dB for a duration of one second each time a vehicle arrives. The wireless chime kit produces a soft ring and has a built-in volume control. 5â?? of two-strand, low-voltage wire is included with this driveway alert kit. Th"Original" Bell is connected to the wireless driveway chime with the two-strand, low-voltage wire. The Milton driveway signal hose and black transmitter box can be set up at the end of a very long driveway and monitored with the wireless chime and "Original" Bellâ??. The chime plugs into an ordinary electrical outlet and the driveway bell connects to the wireless chime and gets its power from the chime. The end-of-driveway unit operates off of a 9-volt transistor battery. This driveway signal bell kit includes all of the pieces necessary to set up your wireless driveway alert system. The Milton driveway signal kit includes one low-voltage bell, one wireless electronic chime, one end-of-driveway transmitter box, one heavy-duty, rubber end cap, and 5â?? of two-strand, low-voltage w