For those who enjoy gardening, these mini hygrometers and thermometers are essential tools for maintaining a healthy greenhouse. By regularly checking the and humidity levels, you can create the growing environment for your plants. The digital display allows for quick and easy readings, helping you make informed decisions about your garden. Features -Color:Black -Material:ABS -Size:5.00X2.70X1.50cm/1.97X1.06X0.59in -Accurate indoor climate: measures indoor and humidity with high accuracy, helping you stay informed about your environment -Compact and portable: its small size makes it easy to carry and install in any indoor setting, providing flexibility in use -Clear dual readout: the digital display provides clear and simultaneous readings of and humidity, making it easy to monitor conditions -Reliable measurement: ensures that the readings are accurate and trustworthy, giving you confidence in the data -Low energy usage: designed to use very little power, allowing for longterm operation without significant battery consumption Package list: 4pcs hygrometer