CONTROL CO. Traceable Stick-It Mini-Clock for each individual work area provides bright hands and white sweeping second hand that is easy to read. Products rugged gleaming metal case is O-ring sealed making it water-resistant/dustproof. Mini-size 1.6 inch diameter (40 mm) x 0.3 inch depth (8 mm) and supplied Velcro and double-backed tape allow unit to be placed anywhere. Flat bottom permits standing on shelf, desk or bench. Precise quartz-crystal accuracy is 0.013%. Unit is powered by a 2 year battery. Weight is 1 ounce.