This is a set of temperature humidity meter, made from , which is durable using. It can measure the temperature of pet crawler box and refrigerator, there will display on the screen, built-in probe. Small size, light weight, easy to carry or store and use. Features - Material: ABS. - Size: About 4.50X2.50X1.50cm/1.77X0.98X0.59inch. - It can measure the temperature of pet crawler box and refrigerator, there will display on the screen, built-in probe. - Small size, light weight, easy to carry or store and use. - Beautiful and practical, accurate measurement, convenient for the use of smaller breeding space. - Refresh data every 5 seconds to monitor the breeding environment at any time. - Suitable for all kinds of reptiles such as spiders, , horned frogs, lizards, chameleons, tortoises, snakes, etc. Specification - Humidity measurement range 20%~90%. - Humidity display resolution 1%. - The humidity sampling cycle is 10 seconds (1 minute). - Humidity measurement accuracy ±5%. - Rated voltage .5v (2 button batteries). - Temperature measurement range -50 degree centigrade to 70 degree centigrade. - Temperature measurement accuracy ±1 degree centigrade (under normal temperature). Package list: 4 x Hygrothermograph