Item Type: Thermometer Hygrometer Material: Plastic Weight: Approx. 133g / 4.7oz Product Size: Approx. 150x52x33mm / 5.9x2.0x1.3in Battery: 6F22 9V battery (battery not included) Humidity Range: 0%~100%RH Resolution: 0.1 Humidity Range: 0%-20%RH Accuracy: 4.5% 20%-80%RH Accuracy: 3.0% 80%~100%RH Accuracy: 4.5% Temperature Range: -30~70 Temperature Range: -30~0 Accuracy: 1.0 0~70 Accuracy: 0.5 -22F-320F Accuracy: 1.8F 32F-158F Accuracy: 0.9F Temperature Resolution: 0.1C/0.2F Scope of Application: Widely used in temperature and humidity measurement in industry, agriculture, meteorology, medical treatment and daily life. 1Using high?accuracy digital temperature and humidity sensor, high accuracy, fast speed and good stability. 2It is suitable for data collection and monitoring of ambient temperature and humidity for indoor and outdoor temperature measurement. 3Equipped with a backlit LCD screen and small size, which is easy to use and can be used in dark environments. 4With maximum and minimum functions. The temperature resolution is 0.1C/0.2F. 5It is widely used in temperature and humidity measurement in industry, agriculture, meteorology, medical treatment and daily life. 1 x Thermometer Hygrometer (battery not included) 1 x Manual