Features 1、The LCD screen with large digit, easy to read, at‑a‑glance thermometer. When the battery is low, the LCD screen will display. 2、The display console shows the temperature, the minimum and maximum temperature, which can be reset manually. 3、Easy to install and operation, the monitor can be placed upright on the desktop or hung on the wall. 4、Displays indoor/outdoor temperature, with temperature trend indicator arrows and daily highs and lows information. 5、Includes 24 hours minimum and maximum temperature records and you can easily monitor the temperature change of your refrigerator . Specifications Condition: 100% Brand New Item Type: Refrigerator Thermometer Material: ABS Color: As shown in the picture Size: Approx. 9.9x8.5x2cm / 3.9x3.3x0.8in Weight: Approx.175g~215g/6.2oz~7.6oz Update Rate: 10 seconds Wireless Range: 100m/328.1ft without interference. Indoor Temperature Range: 0℃~50℃ Outdoor Temperature Range: -40℃~60℃ Battery: Main Unit: 2 x AAA batteries (not included) Transmitter: 4 x AA batteries (not included) Package List 1 x Main Unit(Battery Not Included) 2 x Transmitter(Battery Not Included) 1 x Instruction Manual