Oregon Scientific JM889NA-S Jumbo Atomic Wall Clock with Indoor Temperature, Silver Atomic wall clock from Oregon Scientific; monitors indoor temperatures LCD clock presents time by the hour and minute in extra large digits; calendar function with 3 language options Alarm feature wakes sleepers gently with crescendo alarm and snooze function; radio-controlled for precision Includes 2 AA batteries for power; low battery indicator flashes when needed Clock measures 8.7 by 9.2 by 9 inches and weighs 1.5 pounds; limited 1-year warranty