Milton?s Bells Long-Range Driveway Alarm - Dual Wireless Original Bells and Chimes Kit FLEXIBLE AND EXPANDABLE: The Dual Wireless Original Bells and Chimes Kit has the flexibility to be able to add additional transmitters, motion detectors, chimes and, bells as needed. This kit can be combined with our other wireless systems: Milton?s Bells Warehouse Doorbell and Milton?s Bells Wireless Chime Kit with 25' Signal Hose. CHIME RECEIVER: With adjustable volume control and 12 different tunes. Ideal use in the large homes, industrial, Business facilities commercial buildings POWERFUL WIDE RANGE CAPABILITY: Heavy-duty signal penetrates walls and fencing. Can transmits up to 2500 feet - Even transmits through multiple building walls including reinforced concrete as well as separate buildings. Transmits through metal, reinforced concrete, stone, brick, wood - even multiple floors, unattached structures and buildings. SIMPLE INSTLATION: Simply plug in the chime receiver to an ordinary electrical outlet and pair the doorbell button with the chime receiver. Place the wireless doorbell at any entry door or waiting room. SUPER EASY TO INSTALL: Takes only a few minutes to set up. The transmitter box connects to the driveway hose and has a transmission range up to 2500?