[HIGH ACCURACY]- Temperature Measurement Range:-58 Fahrenheit-158 Fahrenheit; Humidity Measurement Range: 10%-99%RH. Measurement result deviate within 2 Fahrenheit and 5%RH. [WIDE APPLICATIONS]- Applicable for incubators, brooders, reptile tank, guitar case, cigar humidors in home, restaurant, greenhouse and office. Small gauges just put it in the corner of the basement or attic. [FAST RESPONSE]- Mini Thermometer Hygrometer measures temperature & humidity every 10 seconds, it has 4 sensitive vents to provide accurate data. Package includes 5 mini thermometers/hygrometers, with batteries equipped. [MINI SIZE]- The compact thermometer hygrometer is 0.66 x 1.89 x 1.13 inches each, perfect for reptile tank / Fridge / Closet, or anywhere that you want to monitor the temperature & humidity. [BUILT-IN PROBE]- Mini thermometer hygrometer have built-in probe that humidity & temperature sensors is easy to scatter through anywhere you want, helpful to monitor the data you need. Colour:black Material:plastic Package Contents: 5 * Mini Digital Thermometer Hygrometer Only the above package content, other products are not included. Note: Light 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.