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).