4X Mini LCD Digital Thermometer Hygrometer Temperature Humidity Meter Gauge

4X Mini LCD Digital Thermometer Hygrometer Temperature Humidity Meter Gauge DescriptionWIDE USAGE: Applicable for home, office, car, schools, hotels, laboratories, kindergartens, aquaculture, instrument workshop, libraries, schools, factories and places equipped with air condition, etc. INDOOR HUMIDITY MONITORING: This portable hygrometer thermometer Measures Indoor humidity and temperature in time, help to adjust the humidifier, dehumidifier settings and humidistats, great for monitoring family˜’s living conditions and health by preventing colds, dry skin, asthma, mold. HIGH RELIABILITY & ACCURACY: Fast response that measures every 10 seconds with 24 sensitive VENTS to provide updated and accurate readings, wide measuring range that measures temperature from -50to 70 measures humidity from 10% to 99%. EASY READ & OPERATION: Temperature range is Celsius only on this model, bright and black front panel with a clear LCD display, easy to read even from a far distance. COMFORT LEVEL INDICATION & COMPACT SIZE: Level icons indicate comfortable, un-comfortable and normal conditions, small and light enough for saving space and carrying around.Specification: Color: black/white Material: ABS + electronic components Size: 4.5 x 4.5 x 1.5cm/1.77" x 1.77" x 0.59" Temperature range: -50-70 br> Measurement error: ± 1 br> Humidity measurement range: 10%-99% Humidity display resolution: 1% Humidity measurement accuracy: ± 5% Humidity Sampling period: 10 seconds Rated voltage: 1 x DC1.5V AG13 button battery(battery is included) How it works: Thermistor conversion temperature displayFeature: Embedded fish tank temperature. This tank thermometer allows you to monitor changes in the water temperature inside the tank. By placing it outside the tank, it shows the water temperature in Celsius or Fahrenheit, allowing you to adjust the internal temperature accordingly. This can help you maintain a steady temperature so that you can better take care of your fish.Battery installation: 1. Flip to the back of the product. 2. Push the battery cover in the direction indicated by the arrow. 3. Put a button battery LR44 into the battery slot. What's Included 4x Hygrometer 4x Button battery