Features 100% brand new and high quality There are 4 types, white with Cel-sius white with Fahren-heit, black with Cel-sius, black with Fahren-heit. Mini size perfect to use in incubators, brooders, cigar humidors,reptile tank, guitar case any other place that requires monitoring of temperature and humidity levels. Digital LCD Humidity Thermometer allows you to easily know the environment temperature and humidity around you. Advanced Humidity & Temperature sensor maintains accuracy to 1% ; Temperature Range:-58F ~ 158F(-50-70); Measuring Humidity Range:10% RH ~ 95% RH. The Fast Response That Measures Every 10 Seconds With 4 Sensitive Vents to Provide Updated and Accurate Reading. Specifications: Material:ABS Size:4.76x2.84x1.55cm/ 1.87x1.12x0.61 in Temperature test accuracy:1.0 Temperature sampling period:2 seconds Relative humidity testing range :20% - 90% Humidity display resolution:1% Humidity test accuracy:5% (at room temperature 25) Temperature:-50-70 ( measured temperature below -50, display L O When the temperature is high-er than 60, display H I) Note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package Includes: 1x Thermometer Hygrometer