La Crosse Technology brings the precision of atomic clock technology and accurate instrumentation to a stylish 2-tone wall or tabletop time and temperature display. Large numerals make it easy to check the time, indoor and outdoor temperatures from across the room. Clean lines with a crisp white and brushed gold accented frame, this Atomic Clock is a perfect addition to your home or office. Rely on its super accurate time, temperatures, and helpful calendar display. Digital clock automatically resets for Daylight Savings Time twice a year to offer you the added convenience. Stay on top of tasks with a time alarm and countdown or count-up timer. Play and pause counting timer displays flashing indicator when activated. Monitor your own real-time backyard temperature with its included wireless temperature sensor. It has a weather resistant casing, long 330 ft range, and detects readings down to -40°F below. The sensor transmits ambient air temperature and provides your clock with an accurate current outdoor reading. With added features, La Crosse Technology's L73859 Atomic Digital clock observes low battery power, activated snooze alarm, active timer, and transmitting sensor signal strength. Completely battery operated, so allows for versatility!