Temperature measurement range: -50 ° C~+70 ° C Temperature resolution: 0.1 ° C Temperature measurement error: 1 ° C Temperature measurement accuracy: ± 1 ° C Humidity measurement range: 20% RH~99% RH Humidity measurement accuracy: 5% RH Humidity resolution: 1% RH Humidity measurement error: ± 5% RH Battery used: AG10 * 1 Material: ABS Product size: 44x44x16mm Installation method: placement/pasting/magnetic force Product color: white/pink/green Comfortable display: Smiling face Power on button: None Temperature unit: ° C Packaging includes 1 * Thermometer 1.We maintain a high level of responsibility for our customers and are as responsive as possible to the needs of our guests. 2.If you have any questions about our products, please contact us in time, we will solve it for you immediately! 3.Due to the different display devices, the color of the products may have some discrepancies, hope you can understand. 4.Due to the different photo shooting angle, the actual shape and size of the product may not be consistent with the picture, please refer to the description of the product size, everything shall be subject to the physical object received. 5.Thank you for your purchase, we sincerely wish you happy every day.