About this projectReptile Thermometer Hygrometer Simultaneous measurement of temperature and humidity with accurate values is essential to provide the correct environment for any reptile species. No battery required, mechanical induction.Easy to ReadTemperature measurement range: -30-50C, humidity measurement range: 20-100%. For readability, different color-coded segments are used, blue for cold (wet), green for moderate, and red for hot (dry).Applicable sceneWidely used in lizards, turtles, spiders, chameleons, incubators, brooders, breeders, etc. in the breeding box. Also suitable for pet shops, hospitals, laboratories, etc.Small and LightweightThe thermometer can be hung horizontally or placed in use, and can be displayed anywhere in the reptile habitat without obstructing your friend's sight.