Item Type: Thermometer Hygrometer_x000D_ Material: ABS_x000D_ Model: CTH-609_x000D_ Power Supply: 1 x AAA 1.5V Battery (Battery Not Included)_x000D_ Purpose: Industrial and domestic temperature and humidity measurement_x000D_ Basic FunctionsMeasuring RangeBasic Accuracy_x000D_ Temperature-50-700.5 (0-40)_x000D_ Or1_x000D_ -58-1582_x000D_ Humidity(10%-99)%5% (35%-75%)_x000D_ Or10%_x000D_ Special FunctionCTH-609_x000D_ Clock, Calendar Function_x000D_ Hourly Timekeeping Function_x000D_ Alarm Clock Function/8 Minutes Snooze Function_x000D_ Maximum/Minimum Value Storage Function_x000D_ Sampling Rate1 time/10 seconds_x000D_ Long Distance MeasurementRemovable external sensor: cable length is about 2 meters_x000D_ Sensor ConfigurationBuilt in temperature and humidity sensor, external temperature sensor_x000D_ LCD Screen SizeApprox. 67x85mm / 2.6x3.3in 1Digital thermometer hygrometer, equipped with LCD display screen, can display temperature, humidity and time intuitively and clearly at the same time. 2Temperature and humidity sensor window, air convection ventilation design, increase the air circulation speed in the machine, more accurate. 3Multi function, with clock, alarm clock, hygrometer, thermometer, calendar function, suitable for home, pharmacy, greenhouse use. 4Low power, high accuracy, high stability, maximum/lowest temperature and humidity memory function, 12/24 hour conversion, / switch display. 5The thermometer hygrometer can be used vertically or suspended, and can be conveniently placed in different positions to meet the needs of daily use. 1 x Thermometer Hygrometer (Battery Not Included) 1 x Manual 1. Please allow 0?1 inch error due to manual measurement. Thanks for your understanding._x000D_ 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.