General description The Indoor Hygrometer Thermometer is a portable, high-precision electronic device designed to measure indoor temperature and humidity. It features a switchable touch backlight for easy reading in low light conditions and can store maximum and minimum values over a 24-hour period. This device is ideal for monitoring environmental conditions in homes, greenhouses, and other indoor spaces. Technical specifications Dimensions: 6.5 x 2.5 x 8.4 cm Temperature range: -20°C ~ 50°C (-4°F ~ 158°F) Humidity range: 1% ~ 99% RH Temperature accuracy: ±0.5°C Humidity accuracy: ±1% Refresh speed: 10 seconds Power supply: 2 AAA 1.5V batteries (not included) Installation The indoor hygrometer can be easily installed with multiple options: Place it directly on a table using the vertical bracket on the back Hang it on a wall using the hanging holes Attach it to metal surfaces such as refrigerators with built-in magnets Usage The device provides a comfort level indication with three