Features
• Self-levelling.
• Projects a Vertical and horizontal laser line in the front and a down   point on the ground.
• Projects a square laser line on the ceiling.
• The cross line point on ceiling and the dot on the ground are plumb.
• Laser line can be detected by receiver - A9009 (NOT INCLUDED - optional equipment for outdoor use up to 50 metres).
• One locker on the side will be able to avoid the accuracy affected from   the shaking or movind around.
• Can be mounted on tripod.
• Can be operated 360 degree.
• Packed in aluminum carry case.
• One year warranty from the date of purchase.

Specifications
• Light source : Semiconductor
• Output power : =1mW
• Wave length : 635 nm/line.650 nm/dot
• Precision of vertical : ± 1.0 mm/5 M
• Precision of Horizontal : ± 1.0 mm/5 M
• Precision of up/down point : ± 1.0 mm/3 M
• Precision of right angle : 90°±0.03°
• Laser angle : > 120°
• Time of stable equilibrium : < 5 sec
• Working temperature range : -5º C~+45º C
• Warning of battery life : LED flash
• Dimensions : F 108 X 190 mm
• Weight(itself) : 1.31 Kg
• Auto self-leveling range : ± 3°
• Battery power : 3 AA batteries.
• Incline sensor switch : Yes
• Width of laser line : 2.0 mm /5 M
• Life time(MMTF) : 5000 hours
• Safety/Quality approval : CE,FDA
• Receiver 5.5khz, Tripod. : Optional