Features-
Self levelling.
Horizontal aligning.
Vertical aligning.
Exact 90 degree angle.
Works in very bright conditions.
Self levelling feature can be manually switched off so laser line can be projected at any angle.

Specification-
Horizontal line accuracy +/-0.3 mm/m
Vertical line accuracy +/-0.3 mm/m
Range 15m (30m with optional receiver)
Self Levelling Range +/-4 º
Pulse Mode w/ Detector
Pendulum Lock
Out of Level Alarm
Power Source 3x AA Batteries
Battery Life 11 hrs
Operating Temperature Range -10 - +40 ºC
Storage Temperature Range -25 - +70 ºC
Dust/Water Proof IP54
Weight 475 g
Length 118 mm 
Width 57 mm 
Height 89 mm 
Projection 2 lines

Supplied with-
3 X AA Batteries