Max Min Greenhouse Thermometer: The minimum garden thermometer with digital display shows the maximum, minimum and current temperatures. Large, clear LCD screen, ideal for monitoring your conservatory, grow room, your house,your office and 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).