TFA Dostmann 42.4000 Wireless Weather Station with Outdoor Sensor, Temperature, Humidity, Forecast, Radio-Controlled Clock, Alarm, LCD Display, White

Keep an eye on both indoor and outdoor climate from your kitchen, living room, or home office with the TFA Dostmann 42.4000 wireless weather station. The included outdoor sensor transmits temperature and humidity data from up to 100 meters away, while the main unit displays current readings, min/max memory, and a graphical weather forecast based on air pressure changes. A DCF-77 radio-controlled clock ensures accurate time, and the alarm with snooze helps you start the day on schedule.

Key specifications

• Indoor temperature range: 0 to +50 °C (+32 to +122 °F)
• Outdoor temperature range: -40 to +60 °C (-40 to +140 °F)
• Humidity range: 10 to 99 % RH
• Temperature resolution: 0.1 °C
• Humidity resolution: 1 % RH
• Wireless transmission: 433 MHz, up to 100 m open field
• Includes 1 outdoor sensor (TX 205 DTH-O), supports up to 3
• DCF-77 radio-controlled clock with alarm and snooze
• Weather forecast with graphical symbols
• Min/max memory for temperature and humidity
• Power: 3x AAA batteries (main unit), 2x AAA batteries (sensor) – not included
• Mounting: wall mount or table stand

Why choose it

This weather station gives you a clear picture of your home's climate at a glance. The blue/white backlit LCD is easy to read, and the wireless sensor lets you monitor outdoor conditions without running cables. The radio-controlled clock keeps itself accurate, so you never need to reset the time after a power outage.

Ideal use cases

• Monitoring indoor comfort in living spaces, bedrooms, or offices
• Tracking outdoor temperature and humidity for gardening or planning your day
• Using the alarm clock function on a bedside table or desk
• Keeping an eye on conditions in a hobby room, greenhouse, or garage

Good to know

The main unit can be powered by three AAA batteries or an optional AC adapter (not included). The outdoor sensor requires two AAA batteries. Additional compatible sensors can be added to monitor up to three outdoor locations.