Smart Cane for the Blind & Visually Impaired…uses sonar and haptic feedback from the circle on the handle to detect obstacles waist level and above…many smart canes have been made over the years with similar goals…However, few do a good job performing these tasks and none are regularly used today…this smart cane in my opinion would fall under this list…I find it is unreliable and expensive…Hopefully with modifications and more input from orientation and mobility instructors like myself a smart c