Flexible and Expandable: The Driveway alarm system provides you the ability to expand on your system by adding more bells and using more hose with the addition of a Y-connector to cover additional driveways and bays (you can add up to 150 ft hose) All of our chimes and bells need to be protected from the elements and not exposed to direct rain or snow. Milton's Original Bell™ Kit – Reliable Driveway Alarm System for... Easy Installation: Simply mount and plug in your chime signal anywhere within your shop or business, mount the transmitter in the desired location, attach the hose to the transmitter, and then stretch the hose across any driveway, bay, or entry We recommend locating your chime inside or below the protection of a building overhang Milton's Bells MB CSK Wireless Warehouse Dock Alarm System Door Alarms Milton's Bells Long-Range Wireless Motion Detector Chime Kit Drive Thru Sensor Complete System: Our Wireless Chime Kit includes all of the pieces necessary to set up your driveway bell and alarm system: (1) One wireless electronic driveway chime alarm, (1) One end-of-driveway transmitter box, (1) One driveway signal hose, (1) One rubber end cap Racktech™ 15 Feet Rack And Pinion Packaged Steering System. Price: $181.99. SKURACKTECH-15 Durable Quality: Driveway alert sensor system hose is made with industrial-grade and weather/water-resistant rubber.