The JCB 71720159 is a genuine OEM Broadband Sound (BBS) reverse alarm designed for a wide range of JCB agricultural and construction equipment. This essential safety component provides a distinctive broadband sound, enhancing awareness for personnel around operating machinery. Measuring 95mm in length, 51mm in width, and 51mm in height, and weighing approximately 0.12 kg, it ensures reliable performance and direct fitment as an original replacement part.