1. Material: metal
2. Size: 38mmx9.5mm
3. Weight: 18.7g
4. Embedded installation, mechanical movement, no battery required
5. Thermometer measurement range: -25 degrees Celsius to 55 degrees Celsius
6. Measuring range of hygrometer: 0% to 100%, error ± 5%
7. Measurement accuracy: temperature error ± 2 degrees Celsius
8. Scope of application: cigar box / piano case / guitar case / file cabinet / medicine cabinet / greenhouse nursery / warehouse / laboratory / museum / office space / courtyard garden / sun room / factory / animal husbandry and other environments