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Wireless Thermometer JOKER


  • 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 contentsBase station, temperature transmitter, instruction manual
Maximum range100 m
Transmitter included in delivery30.3212.02
Transmission frequency433 MHz
Measuring range temperature indoor0…+50°C
AssemblingTo be hung or freestanding
Power consumptionBatteries
Batteries2 x AAA 1.5 V (base station), 2 x 1.5 V (transmitter)
Batteries includedNo
Dimensions(L) 82 x (B) 25 (72) x (H) 152 mm
Weight125 g