Chaney Instrument Exclusive 5-Year RCC Wall Combo, Jumbo 36-Inch, Brown 36-inch outdoor dial face self-setting wall clock with temperature and humidity display Metal case with tempered glass lens for optimal durability outdoors Large face and digits for easy reading from anywhere in the yard or garden Radio-controlled by the National Atomic Clock for precise time in 4 US Time Zones Two C batteries required (not included); 1-year manufacturer warranty