TFA Dostmann COOL@HOME Wireless Digital Thermometer, Black 30.3046.01

Monitor your indoor and outdoor climate from the comfort of your home with the TFA Dostmann COOL@HOME wireless thermometer. Place the compact sensor outside and keep the main unit on a table or wall to see current temperatures at a glance. The clear LCD shows readings in °C or °F, and the unit records minimum and maximum values so you can track changes over time.

Key specifications

• Indoor temperature range: 0 to +50 °C (32 to 122 °F)
• Outdoor temperature range: -40 to +60 °C (-40 to +140 °F)
• Transmission frequency: 433 MHz, range up to 100 m in open field
• Supports up to 3 external sensors (1 included)
• Min/max memory, temperature trend indicator, outdoor temperature alarm
• Power: 2 x AAA batteries per unit (not included)
• Main unit dimensions: 85 x 22 x 85 mm, weight 100 g
• Sensor dimensions: 50 x 20 x 92 mm, weight 33 g
• Colour: black

Why choose it

The COOL@HOME gives you reliable temperature data without complex setup. Its large display is easy to read from across the room, and the wireless sensor updates every 10 seconds for near real-time monitoring. The outdoor alarm alerts you to frost or extreme heat, helping you protect plants or adjust heating.

Ideal use cases

• Home weather monitoring for indoor comfort and outdoor awareness
• Greenhouses or conservatories to track temperature swings
• Checking conditions before heading out or planning garden work

Good to know

The main unit can be wall-mounted or placed on a table with its built-in stand. The external sensor is designed for outdoor use and can be positioned up to 100 metres away in open areas. Both units require two AAA batteries, which are not included.