Description: Material: Plastic Size:9.3*7.3*1.5cm Color:as picture Battery:1*CR2030 button battery (Included) 1. HD LCD display:Temperature and humidity monitor with HD LCD display. A simple tap on the top to turn on the backlight. Clear and energy saving, reading more easily under weak light. Reliable operation buttons on the back for manual setting or °F/°C switching. 2.24 Hours/All Time High & Low Records:The room thermometer shows high and low records for the last 24 hours and all the time; The indoor thermometer measures conditions and identifies changes in temperature and humidity instantly. The comfort indicator ensures proper humidity control, helping you maintain a comfortable environment in your home. 3. Wide Applications & More Mounting Options:With a retractable stand, two strong magnets and a wall mounting hole, this indoor digital thermometer can be easily attached to your fridge, wall or placed on a table. Suitable for baby room, nursery, office, closet, incubator, greenhouse, garden, cellar, basement, terrarium, etc. 4. Calibration CompatibilityThe monitor can be manually calibrated to improve data readings when product placement or environmental factors affect the accuracy of your data. Calibration certification from the Aerospace Institute for Metrology and Measurement Technology. NOTE 1. As we all know ,the different computers display colors differently,the color of the actual item may vary slightly from the following images. 2. If you feel difficult to choose the size ,you can feel free to contact mewe will give you some suggestion,but it is for you reference only. 3. We could accept Mixed items,Colors And Sizes Order. The more quantities, the more Package include: 1 pcs* Alarm Clock