[FSTN HD SCREEN] The digital indoor thermometer display is larger than other displays, brighter at any distance in the room. The hygrometer has a screen full of vision, high contrast and is super clear at any angle throughout the day. [HIGH QUALITY SENSOR] We choose the smart sensor from best quality for long term storage of thermometers and hygrometers. The deviation with temperature is 0.3 Celsius and with humidity is 3%. [QUICK RESPONSE HYGROMETER] Updates every 3 seconds to provide accurate real-time readings . The temperature ranges from 14 Fahrenheit to 158 Fahrenheit and the humidity is 10% to 99%. [SIZE AND MATERIAL] Room thermometer dimensions 4.6 x 2.3 x 0.7 inch, weight: 0.2 lb. It is built with a desk stand and a magnetic base, place it on the table or the refrigerator. Practical design and beauty. Gernian Product Specifications: Accuracy: ± 0.3 Celsius / 3% RH Humidity range: 10-99% RH Refresh rate: updated every 3 seconds Display display: current temperature / current humidity / trend / temperature status / humidity status Battery: 2xCR2450 (not included) Color: black Material: ABS Package content: 1 * Temperature / p Only the above package, other products are not included. Note: shooting light and different screen may cause the item's color in the picture a little different of the real thing. The allowable measurement error is +/- 1-3 cm.