Description:1. Real-time monitoring of temperature and humidity, creating a comfortable and healthy environment for the family, simple, practical and exquisite2. When the temperature and humidity exceed the upper and lower limits of the setting, the receiver will send out a corresponding color alarm3. During use, it is considered that there is a more standard temperature Humidity data can be set and calibrated accordingly.4. DC5V power supply line power supply, which perfectly solves the inaccurate test problem caused by insufficient battery power in the later stage of battery power supply.5. Energy-saving mode: When the product is powered by the power cord, in the standard mode, you can long press the (DOWN, C/F) button to choose to turn on or off the backlight always on, turn on the energy-saving mode, the backlight is not It turns off after 8 seconds at any setting.Features:Clock/alarm/snooze functionTemperature measurement range:0-70 (℃)Temperature measurement accuracy:±1% (℃)Humidity measurement range:20%-99% (RH)Humidity measurement accuracy:±5% (RH)Temperature C/F switch12/24 Hour system switchYear-month-day displayComfort displayThe temperature and humidity trend icon detects rapid changes in temperature and humidity.Maximum/minimum settingPower supply: 3 x AAA batteries or DC5V power cord can be used for power supply. Note: The product is shipped without batteries.Working voltage: 5V 1AColour:Black/WhiteMaterial:ABSSize:12.5 x 2 x 12.5cmWeight:164gPackage List:1xThermometer Hygrometer1x Power Cord1x Users Manual