Keep track of three different sections of your knitting. Access each of the three counts by toggling from one to the next. The count you need to adjust is shown as the largest number on the screen. The screen is 1½" wide and 7/8" tall. The entire unit is only 2" wide and 3" tall. The battery lasts for one year before it needs to be changed. Retail: $35.00 Item No. 80264