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Wireless thermometer JOKER 30.3055


  • Outdoor temperature via wireless transmitter
  • Indication of indoor temperature
  • Permanent display of max. and min. values
  • Backlight
  • Table stand or wall mounting

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Product specification

Always in the know with the temperature – with the JOKER wireless thermometer from TFA.
A separate wireless transmitter determines the outdoor temperature at the location; an internal sensor measures the indoor temperature. The highest and lowest values are permanently displayed. For both temperature values
Controlling the room temperature is an important factor for the creation of a comfortable and healthy living environment and it helps save energy. Even one degree of temperature reduction can save up to 6% on heating costs.
With the outdoor temperature, you get reliable and important information for your home, garden, leisure and work.
The backlight makes it easy to read the clear display even in the dark.


  • Wireless transmission of outdoor temperature via transmitter
  • Indication of indoor temperature
  • Permanent indication of max. and min. values with manual reset
  • Backlight
  • Registered TFA design

TFA Quality mark:

  • Registered TFA Design Patent

Product information for download:

Technical data

Measuring range temperature outdoor – 50…+70°C
Delivery contents Base station, temperature transmitter, instruction manual
Maximum range 100 m
Transmitter included in delivery 30.3212.02
Transmission frequency 433 MHz
Measuring range temperature indoor 0…+50°C
Material Plastic
Assembling Wall mounting or freestanding
Power consumption Batteries
Batteries 2 x AAA 1.5 V (base station), 2 x 1.5 V AAA (transmitter)
Batteries included no
Dimensions (L) 82 x (B) 25 (72) x (H) 152 mm
Weight 125 g

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