ThermoPro Indoor Outdoor Thermometer Wireless Hygrometer, 500FT Inside Outside Thermometer, Remote Temperature Monitor with Cold-Resistant Sensor, Outdoor Thermometers for Patio Home Greenhouse

500FT Remote Range & Monitor 4 Locations: Wireless outdoor thermometer measures temperature & humidity from 500FT away, track environmental conditions in up to 4 locations with 3 additional temperature sensors. Cold-Resistant & Waterproof: Thermometer indoor outdoor features completely sealed remote sensor to monitor temp and humidity as low as -31°F/-35°C, assuring transmission in rainy or cold weather. Accurate Readings: Weather thermometers with remote thermometer wireless sensor provides accurate humidity and temperature readings, accuracy is up to +/-2°F and +/-2 to 3%RH; Fahrenheit and Celsius can be switched. Large Backlit LCD with Touch Button: Outdoor temperature thermometer with touchable backlight make it easily to read in dim light; Thermometer outdoor displays current temp and humidity readings including trend arrows, Max & Min records for all time/24 hrs, keeping you aware of the slightest changes in your living conditions. Multiple Mounting Options: Indoor/outdoor thermometer wireless features multiple placement options; Tabletop stand for various surfaces, magnetic back for different iron surfaces, and hang hole for wall-mount, convenient for you to put it anywhere