What is the coldest outdoor temp this will register?

-13F for sure... I can't remember the exact specs...

does this unit contain a barometer?

Yes. The Wittime webpage, in About This Item, reads, "Multi-function Weather Station with Atomic Clock: Weather Forecast, Indoor Temperature and Humidity, Outdoor Temperature and Humidity, Air Pressure . . . " Air pressure is measured by a barometer.

Does this have a self-setting "atomic" clock?

The new updated version in 2023 has atomic clock.

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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Wittime Weather Station Indoor Outdoor Thermometer Wireless Battery Powered, Atomic Clock with Indoor Outdoor Temperature Weather Clock, Dew Mold Heat Index 2180

Wittime Weather Station Indoor Outdoor Thermometer Wireless Battery Powered, Atomic Clock with Indoor Outdoor Temperature Weather Clock, Dew Mold Heat Index 2180

Product ID: 416651430

Details

Brand
Wittime
Color
Black
Connectivity Technology
Wireless
Number of Batteries
3 AA batteries
Power Source
Battery
Product Dimensions
2.2"D x 6.1"W

⏰Atomic clock with dual alarms

📡328ft wireless sensor range

🌡️±0.5°C accuracy temp sensor

Description

🌦️ Stay ahead, stay smart — your all-in-one weather command center!

PRECISION WEATHER INSIGHTS - Accurate indoor/outdoor temp & humidity with ±0.5°C precision keeps you ahead of the forecast.
SEAMLESS WIRELESS MONITORING - 328ft transmission range ensures reliable data from your garden, greenhouse, or coop without hassle.
USER FRIENDLY STYLISH DISPLAY - 180° visible LCD with adjustable brightness and simple controls blends modern design with effortless readability.
ATOMIC TIMEKEEPING DUAL ALARMS - Never miss a beat with auto-updating atomic clock and customizable dual alarms for your busy schedule.
COMPREHENSIVE ENVIRONMENTAL ALERTS - Dew point, heat index, and mold indicators help you protect your home and health proactively.

The Wittime 2180 Weather Station is a sleek, battery-powered indoor/outdoor thermometer featuring a highly accurate ±0.5°C sensor, wireless transmission up to 328ft, and an atomic clock with dual alarms. It delivers real-time weather forecasts, barometric pressure trends, and vital environmental indicators like dew point, heat index, and mold risk. Designed for easy setup and clear visibility with adjustable backlight, it’s perfect for professionals who demand precise, actionable weather data at a glance.

Specifications

ASIN	B09QKVNTC7
Additional Features	Dew point/Heat index/Mold indicator
Are batteries included?	No
Best Sellers Rank	#152,930 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #218 in Weather Stations
Brand Name	Wittime
Color	Black
Connectivity Technology	Wireless
Customer Reviews	4.3 4.3 out of 5 stars (886)
Display Type	LCD
Included Components	Sensor
Item Dimensions D x W x H	2.2"D x 6.1"W x 8.7"H
Item Length	5.11 Inches
Item Weight	0.44 Kilograms
Manufacturer	Wittime
Model	CASA-WT1-2180
Number of Batteries	3 AA batteries required.
Part Number	CASA-WT1-2180
Power Source	Battery Powered
Recommended Uses For Product	Garden, Home, Laboratory, Office
Sensor Technology	RF
Shape	Rectangular
Specific Uses For Product	Barometric Pressure and Dew point/Heat index/Mold indicator, Weather Station with Atomic Clock
Style Name	Modern
Temperature Accuracy	0.5 °c
Temperature Reading Accuracy	plus_minus_0_point_5_degrees_celsius
Unit Count	1 Count
Upper Temperature Range	140 Degrees Fahrenheit

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