Audible Warning Bell

Audible Warning Bell - Used with treadle air hose to alert inside to traffic outside. Can be used on gravel or paved surfaces. Plugs into 110V outlet. Perfect for long residential driveways, small drive-thru businesses, gas stations and service centers. Works with up to 150 feet of hose. Measures 6" x 7.5" x 2.5". Includes mounting bracket. Hose attaches directly to the bell which has a air switch built into it. No exterior switch needed.