High-quality material: The digital thermometer is made of high-quality ABS, which has high hardness, is not easy to oxidize, and has good durability and stability. Design Waterproof: The top is a roof-like design, and the battery slot also has a simple waterproof structure. The waterproof level is IP45. It is not recommended to use it when it rains outside the house. Measuring range: Greenhouse thermometer temperature display 39; temperature unit ℃/℉ for selection. The temperature measuring range is -20 to 50℃, the accuracy is ±1, and the error is small. Easy to use: The waterproof outdoor thermometer is small and portable, well made, with its own hook, which can be hung on a window or wall or carried with you. Wide range of applications: The digital wall thermometer Max. Min. can be used indoors and outdoors and can be used in homes, gardens or greenhouses. An additional roof can provide additional protection against external damage.