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| Leveling Accuracy | Horizontal: ±20" Vertical: ±20" |
| Leveling Range | ±5° |
| Measuring Range | Diameter:500m (Using the laser deterctor) |
| Spinning Speed | 0,60,120,300,600 r.p.m |
| Directional-Scanning Angle | 0°,10°,45°, 90°, 180° |
| Slope-adjusting Range | ±5° (Bi-directional ) |
| Light Source | Laser Diode, wavelength: 635nm |
| Down Point Diode | Accracy: ± 1mm/1.5m |
| Remote controlling Distance | Approximately 20m |
| Working Temperature | -10°C-- 45°C ( 14° F--113° F ) |
| Power Supply | DC 4.8-6V |
| Hours in continuous use | Approximately 20 hours |
| Water- proof | IP 54 |
| Dimension | 160(L)X 160(W)X185(H)mm |
| Weight | 2.0KG |