Quick Answer: The Thermometer, Digital, Indoor-Outdoor shows the room temperature and the reading from a wired outdoor probe on one LCD. The indoor sensor covers -10°C to +50°C and the external probe -50°C to +70°C.
Last updated: October 2026
Key Features
Two channels: built-in thermistor and external wired probe
Indoor range -10°C to +50°C; outdoor probe -50°C to +70°C
Accuracy ±1°C (±1.8°F)
Probe cable approximately 1 to 3 m
Max/Min memory and Celsius/Fahrenheit switching
Fold-out desk stand or wall mounting
Technical Specifications
Specification
Value
Sensing
Internal thermistor and external wired probe
Indoor range
-10°C to +50°C (+14°F to +122°F)
Outdoor range
-50°C to +70°C (-58°F to +158°F)
Accuracy
±1°C (±1.8°F)
Resolution
0.1°C / 0.1°F
Probe cable
Approx. 1 to 3 m
Memory
Max/Min recall
Display
Multi-line LCD
Mounting
Retractable desktop stand and wall-mounting aperture
Power
Single 1.5V AAA battery or equivalent
About This Product
With the probe led through a window, a class can log inside and outside temperatures side by side for a weather record and see how much warmer or cooler the room stays. The probe can also be placed in a liquid, keeping the display itself away from water.
Frequently Asked Questions
How long is the outdoor probe cable?
The wired external probe has a cable of approximately 1 to 3 metres.
What are the indoor and outdoor ranges?
Indoor: -10°C to +50°C. Outdoor probe: -50°C to +70°C.
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