Digital Thermometer Hygrometer, Indoor/Outdoor Humidity Meter, Temperature Monitor with Wireless Sensor, 328ft/100m Range, °C/°F Selectable, 60s Auto Refresh for Home, Office, GreenhouseOOTDTYrecords【Indoor & Outdoor Monitoring】Digital Thermometer Hygrometer measures indoor values and outdoor temperature and humidity in real time, which provides daily care for you and your family.【Ultra-Long Transmission Range】Included with the wireless transmitter, This hygrometer thermometer features strong wireless signal penetration (frequency 433MHz) and long transmission range (open space 30-100m/98-328ft). The signal can be received timely and quickly within the transmission range.【Accurate Readings】The large LCD screen is readable clearly. The indoor temperature range is 0-60°C/32-140°F. The outdoor temperature is -40°f-60°c/-40°f-140°f. The humidity range is 10%-99%. The accuracy can reach ± 1°c/± 5%. The data will be updated every 60s automatically, but the sensor needs about 30 minutes to stabilize).【Portable and Convenient】 Easily switch temperature units to °C or °F with the button on the top. Please note that first switch the °c/°f unit (the default is °c) before installing the batteries for the unit. Powered by 2 * AAA batteries (transmitter/receiver, not included).【Wide Application】Designed with a wall hanger and a pull-out stand on the back, the thermometer humidity monitor can be easily mounted on the wall effortlessly or simply placed on a table. Its layout is elegant and compact, which is widely used for children's room, bedroom, home, kindergarten, hatchery basement, basement, warehouse and greenhouse. Package Included:1 * Digital Thermometer1 * Wireless Transmitter1 * User Manual