Specifications
- Laser wavelength: 635m
- Laser class: Class II/Class III
- Accuracy: ±0.2mm/m (1° vila range)
- Leveling range: ±3°
- Temperature range: -10°C ~ +45°C
- Power: 3* AA batteries (or adapter or mini USB power)
- Low voltage indication: Power indication LED flash
- Size: φ3 15/16''x8 8/16'' (φ100x216mm)
- Weight: 2.54lbs (1.15kg)

Features
- LS639S Output 5 laser lines and one plumb down laser dot, LS639SD Output 5 laser lines and 3 laser dots
- Form 2 cross laser lines
- Compatible both indoor and outdoor applications, switchable between the continuous and pulse laser
- Self-leveling, laser flash and sound indication when beyond self-leveling range
- Able to shield warning function and use for tilt purpose
- Able to rotate by 360° freely and the rotating angle can be fine adjusted
- The height of support legs can be fine adjusted
- Able to connect with the tripod through 5/8'' screw thread