Digital Indoor/Outdoor Hygrometer Thermometer with Wireless Sensor: This informative thermometer and humidity monitor displays and stores max and 24-hour max readings. The comfort indicator helps you achieve optimal home comfort at a glance. High Accuracy & Fast Updates: Offers high accuracy of ±2-3%RH and ±1°F, ideal for measuring fluctuating values like those in a greenhouse. Readings update every 10 seconds for the latest information. High & Low Readings: Displays the highest and lowest temperature and humidity levels for easy comparison using your home data. Wide Application: Ensures accurate temperature and humidity control, benefiting your skin and health. Suitable for nurseries, basements, storage rooms, greenhouses, etc. The large LCD screen with bold numbers is easy to read from a distance. Multiple Placement Options: Features a tabletop stand, wall mount, and magnetic back for convenient placement. Battery Powered: Requires two AAA batteries (not included). The durable ABS plastic casing resists scratches and harsh environments for long-lasting use.