Specification: Condition: Brand New Material: ABS Color: Black Temperature Measuring Range: -30-50 C Humidity Measuring Range: 0-100 Size: Approx. 10cm 3.9inch Weight: Approx. 46.3g Package list: 1 Reptile Hygrometer ThermometerEasy to Use:This reptile thermometer hygrometer can use the color section for easy reading. Small size, light weight, easy to carry and install and no batteries, mechanical induction. 2 in 1 Thermometer Hygrometer:This Dial Gauges Thermometer can temperature and humidity are measured at the same time, and the value is accurate. Monitor temperature and humidity of tanks with this easy to use vivarium thermometer hygrometer. Widely Application:This reptile thermometer hygrometer used for lizard, Tortoise, Spider, in vivariums, hatchers, brooders, propagators, etc. Also suitable for pet shops, hospitals, laboratories, etc. Keep Reptile :Reptile thermometer hygrometer allows you to closely monitor the right temperature to keep them in health condition to keep reptiles . Measuring Range:Temperature Measuring Range: 30 50 C, Humidity Measuring Range: 20 100 . The color of blue means cold (humid), green means moderate, red means hot (dry).