| Mode of discoloration | Irreversible |
| temperature lattice | 4 squares |
| Measuring temperature ℃ | 37℃|44℃|49℃|54℃ |
| Specifications and Dimensions | 23*45mm |
| Temperature grid shape | round |
| Encasement Specifications | Article 10 |
1. For product quality problems caused by non-human products of instruments and equipment, the manufacturer will provide free warranty services during the warranty period;
2. There is no warranty period for fragile and consumable parts, and if you find product quality problems after receiving the goods, please apply for return and exchange within 7 days, and you will not wait for the overdue ones;