3:Talking clock for visually impaired dollar is not necessary to reset the date and time when replacing the battery, which is more convenient for visually impaired people 2:Talking clock for blind dollar can adjust the size of the clock sound, and you can set a lower sound at night to avoid disturbing others,And has alert function,larger appearance size, more convenient for people with low vision 4:When the sound can't be played normally, for example, it can't tell you the time completely, or there is a dripping sound of current, maybe just replace the new battery to solve it.Sleep mode can be set when not in use for a long time, and it can be easily woken up 1:Talking clock for blind elderly is perfect for people that are blind, have low vision,, Alzheimer's , and/or memory issues such as dementia or Alzheimer's.It is easier to operate than other similar products when setting the time and date for the first time, and is more suitable for blind and elderly people who live alone 5:Clock by 3 AAA batteries (included), the timer is 4.5 inches in diameter and 2.5 inches in height, 5.6 ounces,can be easily placed in a handbag