Specification
| Make | Hilti | Hilti | Spectra Precision | Spectra Precision |
| Model | PM 2-L | PML 32 | HV101 | HV301 |
| Auto Self Leveling | Yes | Yes | Yes | Yes |
| Horizontal Accuracy | 1/8" @ 33' | 1/16" @ 100' | 1/8" @ 100' | 1/8" @ 100' |
| Operating Modes | Horizontal, Vertical Line Laser | Horizontal, Vertical Line Laser | Horizontal, Vertical Tilting Plumb-up | Horizontal, Vertical Tilting Plumb-up |
| Optical Range | 66 ' | 30 ' | 100 ' | 330 ' |
| Receiver Range | 197 ft. | NA* | 1,000'* | 1,000'* |
| Weight | 3 lbs. | 2 lbs. | 3 lbs. | 6 lbs. |
