Fisher Scientific Co. 666412 Traceable Clock Wall Big-Digit Radio Atomic Ea Accuracy is to 0.0001 of a second Digital wall clock features large, 2.25 in.-high digits Displays time in AM/PM or 24-hour time, month, date, day-of-week, and ambient temperature in C and F (32 to 122F and 0 to 50C with 0.1 resolution) Dimensions: 9.25L x 8.75W x 0.75 in. H (23.5 x 22.2 x 1.9cm). Net weight: 1.12 lb. (0.5kg)