| Model No. | GP-3G |
| Laser beam | 3 Point |
| Light sources | 520nm |
| Anti-water class | IP-54 |
| Accuracy | ± 1mm/5m |
| Self-leveling range | ±3° |
| Working range | Dia. 30m ( with detector ) |
| The distance to the wall | 16mm |
| Power supply | 3*AA batteries / DC power |
| Operating time | 20hr |
| Mounting thread | 5/8" + 1/4", ISO standard |
| Operating temperature | -10℃~+50℃ |
| Size | 115 x 94 x 55 mm |
| Weight | 0.55kg (including batteries) |