Features
• Creates four vertical lines, one horizontal line and one floor point on any surface.
• Magnetic damping compensator ensures quicker self-levelling.
• Built-in locking system allows the compensator to be locked when turning off the power.
• When the instrument inclines over +-3 degree, the laser line flash and alarm automatically.
• Rotate fine adjustment mechanism, making it easier to adjust.
• Mounts easily on survey tripod or ceiling mount.
• Laser line can be detected bt receiver and can be used outdoor.
• Rotating 360 degree by remote controller.
• Remote control is standard equipment, Receiver is optional.

Specifications
• Emitting laser : 4 vertical lines, 1 horizontal line (cross laser lines), 1 plumb dot
• Light source : Visible semiconductor laser diode, 635nm (Line), 650nm (Dot)
• Output power : CL II, less than 1mw
• Line width : 1.5mm/5M (3-4mm/10M)
• Accuracy : ±1mm/5M 
• Self leveling range : ±3°
• Damping type : Magnetic
• Fine rotating adjustment : ±1°
• Operating time : 10 hours continuous operation
• Working range (Diameter) : 5~10m without detector, 30m with detector
• Storage temp. range : -4°F ~ 149°F (-20°C ~ 65°C)
• Operating temp. range : 40°F ~ 122°F (5 °C ~ 50°C)
• Dimension (W x H) : 4.6" x 7.7" (11.6cm x 19.6cm)
• Weight : 3.01lbs. (1,398g) - Incl. batteries
• Power : 3 x AA alkaline batteries or Recharge batteries