Indoor Outdoor Thermometer, Digital Thermometer and Hygrometer with 3 Remote Sensors, Touch Wireless Digital Hygrograph, Temperature and Humidity Monitor Indoor Outdoor Weather Clock

Product Features: Measure indoor and outdoor temperature and humidity, Celsius and Fahrenheit conversion. Maximum and minimum temperature and humidity memory function. You can view historical temperature and humidity data. A maximum of three outdoor units can be connected. The rear shell of the main engine has two high magnetic magnets, which can be adsorbed on metal objects. A stand on the back of the unit allows you to stand in a horizontal position. High sensitivity touch key control, easy to operate. Comfort indicator, temperature and humidity trend indicator. HTN large HD non-viewing Angle LCD display. With backlight, automatically turn off the backlight after 10 seconds without operation. The outdoor unit can be hung through a hanging hole or stand on a horizontal surface. Outdoor unit XP4 waterproof. Product Parameters: Room temperature range: -4° F-158 °F (-20° C-70 °C) Outdoor temperature range: -40°F - 158°F (-40°C-70°C) Humidity range: 20%-95% Comfort display: Dry, comfortable, wet Temperature display unit: °C/°F Optional (Default value: °C) Temperature resolution: 0.1°C/°F Humidity resolution: 1% Refresh rate: 10 seconds. Error: Temperature plus minus 1℃ humidity plus minus 5% Wireless range: 60 m /197 ft RF Radio frequency: 433 MHz Power supply: No. 7 battery (without battery)