[Fast Response]The Fast Response That Measures Every 10 Seconds With 4 Sensitive VENTS to Provide Updated and Accurate Reading. [High Accuracy]Advanced Humidity&Temperature sensor maintains accuracy to +/- 1% ; Temperature Range: -58 ~ 158; Measuring Humidity Range: 10% RH ~ 95% RH Mini Digital LCD Humidity Thermometer allows you to easily know the environment temperature and humidity around you Mini size perfect to use in herb jars, incubators, brooders, cigar humidors,reptile tank, guitar case any other place that requires monitoring of temperature and humidity levels colour: black Material: ABS Package Contents: 6 x 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.