The wireless indoor outdoor thermometer records accurate all time / 24 hours max. and min. temperature and humidity readings; Temperature trend arrows indicate whether it’s getting warmer or colder near the remote temperature monitor; Temp Accuracy: Temp Accuracy: ± 1°C; Humidity Accuracy: ± 5%

Wide Temp and Humid Range: Inside outside thermometer hygrometer measures indoor outdoor temperature and humidity percentages simultaneously: The outdoor/indoor thermometer range: indoor: -4℉-158℉ (-20℃-70℃), outdoor: -40℉-158℉ (-40℃-70℃); Humidity range: 20%-95%

Hands Free Monitoring: Connect up to 3 strong signal penetration humidity sensors to get the temperature and humidity records from 200ft/60m remote range away (enhanced Wireless Frequency: 433 MHz); Tabletop or wall-mountable design; Powered by 8 x AAA battery (the package included)

Backlight & LCD Touchscreen: Large LCD display features a blue backlight and touchscreen, ensuring the display is easy to read even in dim light conditions; Backlight can be turned on / off, so it’s easy to use whether in the bright sun or pitch black; 12 seconds auto-off