Check the listing for details. Multi-Function Digital Indoor Hygrometer Thermometer with Date/Time/Alarm/Clock. Condition: New. Listed at 16.99 USD. High Precision Reading : Built in advanced chip with high accuracy digital sensor, humidity accuracy: ±5%RH; temperature accuracy: ±1°C(±2°F). Data measurements are refreshed every 2 seconds to give you newest changes of the environment.Clear Display Monitor: The indoor thermometer provides real-time temp and humidity reading with large numbers on a large screen, keeping you aware of the house situation with just a glance.USB Charging & Long Stand-by Time: Miracles USB hygrometer in 200mah lithium battery with a small USB cable(included) for fast charging, fully charged could last more than 2 months, no need to replace AAA batteries like old design, fashionable gauge and convenient usage.Calendar & Day of Week Display : Miracles temperature and humidity monitor always know what day of the week it is with a quick glance. Also with digital alarm clock, you won’t forget any important days of your sweetie and families. Multiple Mounting Options: The thermometer hygrometer with table standing, and hole on back side for wall hanging design, put anywhere you want, convenient mounting feature for kitchen, living room, basement, bedroom, guitar room, office etc.