Product descriptionTemperature range: 0 to 50 .Temperature measurement accuracy: 1.0Humidity range: 10% - 99%Humidity measurement accuracy: 5%Sampling period: 10 secondsDisplay resolution: 0.1Size: 45 x 15 (mm)Power: 0.15MW under working conditionsBattery: 1 * 1.5V battery of button AG13/LR44Package includes: 2 digital hygrometers1. Measurement range: temperature range: - 20 to 70 ; Temperature deviation: 1 C. Humidity range: 20%~90% RH; Humidity deviation: 5% RH.2. Mini and simple design: Because of its mini shell and round shape, the device can be placed in any inconspicuous place. It has the simplest appearance and very practical functions. With a circular digital humidity thermometer, you can easily determine the ambient temperature and humidity. Small and lightweight, it can save space and carry around.3. Widely used: You can use it at home, office, car, school, hotel, laboratory, kindergarten, aquaculture, instrument workshop, library, factory, greenhouse, basement, garage, garden house, 3D printer silk box and places with air conditioning.4. Embedded thermometer: help to measure indoor humidity and temperature in time, adjust humidifier, dehumidifier setting and humidifier, and monitor family living conditions and health through cold, dry skin, asthma and mold prevention.