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- Range: Radius R0-20m
- Number of laser: 4V+1H+1D+1C ( 4 tia đứng + 1 tia ngang + 1 điểm dọi tâm +1 điểm giao trần )
- Laser diameter: 1mm/10m
- Self-balancing angle limit: ± 3o
- Power: AA 3x1.5V or 220V AC
- Operation time: 8 giờ
- Dimensions: 115 x 175 mm
- Weight: 1.25 Kg
