The 'K' Sonar, model 1-07000-00, is an audible electronic mobility aid and obstacle detector designed for use by individuals who are blind or have low vision. This small electronic device aids users who are blind or visually impaired with orientation and mobility. By listening to sounds produced by the device, users can determine the distance and location of objects and some of the object's features. The device attaches to the golf grip handle of a long cane. Headphones provide audio feedback, which changes in pitch to indicate the distance to the object being scanned. The device has two range modes: long range (about 16 feet) and short range (about 6 feet). The device comes with headphones and and instructional audiotape with sample sounds. POWER: Uses rechargeable battery or power adapter (both included).