An easy to see quartz weekday clock designed to help those living with dementia and Alzheimer?s with remembering the day of the week. This clock only shows the day of the week so it?s great for those who are used to telling the time with a traditional clock but now need a simpler solution ? priceless reassurance in a very simple form. 20cm (8?) dia. Large bold wording and hand to make it easy to see. Shatterproof acrylic lens. Attractive black plastic surround. Requires 1x ?AA? battery (not supplied).