VOCOO Digital Indoor Room Thermometer - 5.8'' Extra Large Display Temperature Humidity Sensor with Accurate Temp Humidity Gauge Monitor, Calibration, Max & Min Records, Comfort, Backlit, Date & Clock

5.8'' Extra Large Display with Backlight: 5.8'' large HD LCD screen to show the current temperature and humidity with comfort indicator, Max & Min records in a day, clock & calendar. A simple touch on the top to turn on backlight for 15s when powered by backup batteries only. Clear and power-saving, read more easily under backlight. Simple operation buttons on the back for manual setting or °F/°C switching

Home-Use Accuracy & Fast Refresh: Temperature range 14.2˚F~158˚F(-9.9℃~ 70℃) with ±1℃ accuracy and humidity range 10% ~99% with ±5%RH accuracy. The inside sensor detect changes in temperature and humidity every 10 seconds to provide you the latest readings. NOTE: Temp below 14.2˚F or above 158˚F, it displays LL˚F/HH˚F to reminds you the temp is too Low/High

Clear Air Comfort Indicator & Calibration: Exclusive clear color circle to indicate DRY/COMFORT/WET air condition quickly with just a glance. Ensures proper humidity, great for monitoring family's living conditions and health. And it has been pre-calibrated for accurate temperature and humidity measurement. In case you may need it to show exactly the same data from other brands, the calibration feature is added

Electric Indoor Thermometer with Battery Backup: This home thermometer can be connected to any USB power plug for power. When powered by power cord, there are 3 levels of brightness for adjustment. 3 AAA batteries (provided) can memorize clock settings and keep all the temp and humidity data when power outages, you won’t need to reset the time and date. Kindly good to know: display would be dim when only in battery backup working condition, so it’s strongly advised to keep it plugged in to use

Date and Clock Feature: Exclusive design with date and clock, you could see the time easily. Coming with 3*AAA batteries, you can use it as soon as you get it. What you get : A Indoor Thermometer, A USB-C Cable, Three Batteries and a User Manual. NOTE: USB Power Plug Not Included. You could use any 5V power plug to power this device