Max Min Greenhouse Thermometer: The minimum garden thermometer with digital display shows the maximum, minimum and current temperatures. Large, clear LCD display, ideal for monitoring your conservatory, grow room, home , youroffice and your greenhouses. High Accuracy: Temperature accuracy: +/- 1C. Temperature resolution: 0.1C. Temperature measurement range: -20 to 50C. Size: 13.2X8X3cm / 5.19*8.13*1.18(L*W*H). With hook hole, wall-mounted design. Waterproof Design: The design of the roof is similar to the roof, and the position of the battery in the slot also has a simple and waterproof structure. The waterproof rating is IP45; do not recommend outdoor use whenit's raining a lot. Indoor and Outdoor Use: The thermometer can be used indoors and outdoors, at home, in the garden or in a greenhouse. Also benefits from an attached roof for added protection against damageexternal. High Quality: Our carefully researched range of min. Min is highly accurate and powered by 2 AAA batteries (not included).