Features: brand new and high quality Waterproof Digital Thermometer: The white rubber for key on the side of the main waterproof function, please do not discard or lose. 2 slices with high quality for 3M adhesive. Just peel off the adhesive, and stick to your motorcycle, or the smooth walls in your home. It can help your travel more safety. Because it help you intuitively and quickly acquire temperature at any for time.Please note that the measured temperature is in degrees Celsius. Do not support Fahrenheit readings. It is suitable for pasting on the smooth walls and glass of home to check the temperature,such as kitchen bathroom. Diameter: 27.5mm, thickness about 10mm. Will not occupy your too much space. Specifications: Material: Plastic Size: 2.8x1cm/1.1x0.39 inch Measuirng temperature range: -20~70 Note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Digital Thermometer