3. Smart Off/On Backlight/Dot-Saving Mode; Precise Detection, Real-Time Detection, One Measurement Per Second; 2. Five Major Displays (Temperature, Humidity, Brightness, Time, Date); App Monitors The Whole Process All The Time, Sets Upper Limit And Lower Limit Alarm; Effectively Overcomes The Traditional Disadvantage Of Not Being To Control All The Time; 1. USB Power Supply, Built-In 500MA Battery, Always Uninterrupted, And Can Be Used After Power Failure; 2.9-Inch Lcd Screen Display, Clear Visibility; 4. Support The Temperature Unit To Switch Freely (℉-℃), Completely Solve The Different Units In Different Countries; 5. Easy To Install, Fixed And Placed On The Desktop At ;Wifi Temperature/Humidity Detector, Large LCD Display;Support The Mobile APP To Set The Upper Limit And Lower Limit At . When The Lower Limit Is Set, The Device Starts To Send An Alarm And The Mobile App Receives The Alarm Information;, Weight: 0.78484565272 Pounds, Manufacturer: Ehwisbe