| Model No. | FT-3G |
| Laser beam | 1H1V |
| Light sources | 520nm |
| Accuracy | ± 1mm/3m |
| Self-leveling range | ±3° |
| Working range | Dia. 30m ( with detector ) |
| Power Supply | 2*AA batteries |
| Mounting thread | 1/4", ISO standard |
| Operating temperature | -10℃~+50℃ |
| Size | 70 x 62 x 90 mm |
| Weight | 0.31kg (including batteries) |