LFF Atomic Clock/Never Needs Setting, Battery Operated, Atomic Wall Clock with Indoor/Outdoor Temperature & Humidity, Wireless Outdoor Sensor, 15″ Digital Wall Clock with 4.5″ Numbers Easy-to-Read

📡 ACCURATE ATOMIC CLOCK: The atomic clock has a built-in receiver that automatically synchronizes itself with the WWVB radio broadcast by the US Government’s National Institute (NIST) in Fort Collins, Colorado. Digital wall clock adjusts time & calendar to atomic signal automatically, and could count seconds accurately. (Note: no backlight display)
👍 15″ LCD HIGH DEFINITION DISPLAY: The Atomic Clock has a 9.4-inch tall upgraded LCD high-definition display with large numbers that are easy to read. It can display the calendar, time (12/24H), day of the week, alarm clock, indoor / outdoor temperature (°C/°F) and humidity at the same time, the clock can be used as a wall clock or a desk clock, friendly to the elderly or visually impaired. 8 time zones are available including EST, CST, MST, PST, AKT, HST, AST, NST.
👍 WIRELESS OUTDOOR SENSOR: The clock has built-in high-quality indoor temperature and humidity sensors (included) that transmit accurate measurements of outdoor temperature and humidity in °F or °C to the atomic wall clock. The sensor transmission range is up to 328 feet (100 meters), and the outdoor waterproof rating is IPX4, splash-proof. For the sensor, place the device in an open area away from direct rain, and you can easily understand the temperature and humidity both indoors and outdoors.