| Technical parameter | Parameter value |
| Brand | SONBEST |
| Temperature measuring range | -30℃~85℃ |
| Temperature measuring accuracy | ±0.5℃ @25℃ |
| Communication Interface | GPRS |
| Default baud rate | 9600 8 n 1 |
| Power | DC9~24V 1A |
| Running temperature | -30~85℃ |
| Working humidity | 5%RH~90%RH |