• High-precision measurement with temperature range from -50 to 70 °C and humidity from 20% to 99%. • Humidity measurement accuracy of ±5% and temperature of ±1 °C. • Digital LCD screen with automatic measurement update every 10 seconds. • Button on the back to easily switch between °C and °F temperature units. • Compact and portable design with dimensions of 45 x 45 x 14 mm. • Versatile installation on table or via fixing with double-sided adhesive tape. • Operation via pre-installed 1.5 V LR44 button cell battery in each device. • Set of 8 units ideal for climate control in homes, cellars, greenhouses, and aquaculture.