[FAST RESPONSE HYGROMETER] Update every 3 seconds to provide accurate real time readings. Temperature ranges from 14 Fahrenheitto 158 Fahrenheit and humidity is 10% to 99%.[HIGH QUALITY SENSOR ] We choose best quality chip sensor for your long-term preservation of thermometers and hygrometers. The deviation with temperature is 0.3 Celsius and with humidity is 3% .[HD FSTN SCREEN] The Digital indoor thermometer screen is larger than other screens, clearer at any distance in the room. The hygrometer has full field of view screen,high contrast,and is super clear from any angle throughout the day.[SIZE AND MATERIAL]Room Thermometer Dimensions 4.6 x 2.3 x 0.7 in, Weight: 0.2 lb. It is built with a desktop stand and a magnet base, put it on the table or fridge. Practical and beauty design.Product Specifications:Accuracy: 0.3 Celsius / 3% RHHumidity Range:10-99%RHRefresh Rate: update every 3 secondsScreen display: current temperature / current humidity / trend / temperature status / humidity statusBattery: 2xCR2450 (not included)Colour:blackMaterial:ABS Package Contents:1 * TemperatureOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.