| Temperature Range | -50 to 450°C (-58 to 842 °F)(HT-812) -50℃ to 650℃ (-58 to 1202 °F)(HT-816) |
| Emissivity | 0.1 °C/°F |
| Optical Resolution | Fixed at 0.95 |
| Basic Accuracy | 10:1 Distance to spot size-ratio |
| Response time | <1 Second |
| Diode laser | output<1mW at 630-670mm class 11 laser produce |
| Spectral response | 6~14um |
| Power supply | 9V battery,NEDA 1604A or IEC 6LR61,or equivalent |
| Size | 160*82*41.5mm |
| Weight | 180g |
| Accessories | 9V battery, manual, black bag and gift box |

