1The LCD screen with large digit, easy to read, ataglance thermometer. When the battery is low, the LCD screen will display. 2The display console shows the temperature, the minimum and maximum temperature, which can be reset manually. 3Easy to install and operation, the monitor can be placed upright on the desktop or hung on the wall. 4Displays indoor/outdoor temperature, with temperature trend indicator arrows and daily highs and lows information. 5Includes 24 hours minimum and maximum temperature records and you can easily monitor the temperature change of your refrigerator .Condition: 100% Brand NewItem Type: Refrigerator ThermometerMaterial: ABSColor: As shown in the pictureSize: Approx. 9.9x8.5x2cm / 3.9x3.3x0.8inWeight: Approx.175g~215g/6.2oz~7.6ozUpdate Rate: 10 secondsWireless Range: 100m/328.1ft without interference.Indoor Temperature Range: 0~50Outdoor Temperature Range: -40~60Battery:Main Unit: 2 x AAA batteries (not included)Transmitter: 4 x AA batteries (not included)1 x Main Unit(Battery Not Included)1 x Transmitter(Battery Not Included)1 x Instruction Manual1. Please allow 1&8209;2in error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.