3-pack Mini Hygrometer & Thermometer Indoor Outdoor Digital Humidity Meter Gauge Temperature ℉/℃ For Home Office Reptile Car Greenhouse Lab Terrarium Cellar.. A01 Black

These thermohygrometers are small and portable, with a diameter of 1.8 inches (4.5cm) and thickness of 0.55 inches (1.4cm). They can be pasted on walls or embedded in boxes, barrels, or glass jars, and are widely used for home, office, car, cellar, tanks, humidifiers, 3D printers, jars, and reptile care. The upgraded design includes better vents for improved air flow and a more convenient, durable power switch. New sensors provide stable and accurate performance, with a humidity range of 20%RH to 99%RH (±5%RH accuracy) and temperature range of 14℉ to 140℉ (-10℃ to 60℃, ±1.8℉/±1℃ accuracy). Measurement results update every ten seconds, and the devices support ℉/℃ conversion. They are powered by one LR44 battery each, with three hygrometers (batteries installed) and six pieces of double-sided tape included. To convert between ℃ and ℉, double-click the button; to turn power on or off, press and hold the button. The size and position of temperature and humidity numbers cannot be swapped.

• Small portable design (1.8in diameter, 0.55in thickness)
• Upgraded vents for better air flow and durable power switch
• Stable accurate sensors (20-99%RH ±5%, 14-140℉ ±1.8℉)
• 10-second measurement updates with ℉/℃ conversion
• Powered by 1 LR44 battery (included) per unit
• 3-pack includes 3 hygrometers and 6 double-sided tapes
• Paste or embed for home, office, reptile care, and more
• Double-click button for ℃/℉ conversion; hold to power on/off