Our magnetic memo clock comes with a memo clip. Attaches to metal surfaces or can be hung. Uses one button battery (included). 3 1/4" L x 4" W x 3/8" H View our full assortment of products on our websites: www.Neighborhoodies.com | www.NeighborhoodiesPromos.com. Can’t find what you need? Let us know! We’ll be happy to source products for your project.