Wall Temperature Hygrometer Sensor for Indoor Garden 9.8 X 3.1 Inches Product description: Precision measurement: measures temperatures between -20f to +120f (-30c to +50c), and the temperature resolution is 1c. Easy readability: The copper color appearance provides two methods of degrees Celsius and Fahrenheit. The inner is combined with black white, and the red in the middle represents the temperature. It is clear and easy to temperature quickly, even one . Attile: wall design, suitable for indoor placement, place where you want, such as kitchen, garden, greenhouse, basement, baby room, guitar room and o Precise Monitoring: O to monitor the health conditions of family to prevent colds, dry skin, , allergy and so on. Durable: This thermometer is made of high quality metal and materials, waterproof and strong. Specifications: Size: 250x80mm/9.8x3.1 inches Temperature measuring range: -30-+50c/-20-+120f Accuracy of temperature measurement:-30-+50c Temperature resolution: 1c Moisture Measurement Accuracy: +RH Temperature measurement error: +-1c The package includes: 1 Piece Wall Thermometer Note: Please allow a measurement deviation of 1-3mm due to manual measurement. Due to different monitor and light effect, the actual color of the item may be slightly different from the color shown in the photos. Thank you! The main concern. If the product is in any way cracked or broken during the, the in contact us. our best to give you a satisfactory solution.