This green beam cross line  laser level is widely used in the construction sector for measuring, leveling, and aligning.

VH800
Laser Module：Single glass lens
Exterior sizes：Φ130mm x 174mm
Laser diode： Horizontal  532NM  Vertical  532NM
Up & Down point  650NM
Accuracy：Horizontal line： ±1.0mm/5M
Vertical line： ±1.0mm/5M
Line Width：≤1.8mm/5m
Angle of projection：Horizontal＞100°  Vertical＞140° 
Beam change： a、Horizontal    b、Cross line
c、 Vertical    d、 2 Vertical & up and down point
Leveling range：±3°
Weight：about 1kg
Power supply： 4 AA rechargable batteries (DC 6V)
Output Power： < 5mw
Operating temperature：0℃ ~ +40℃
Operating Time：Single line：12Hours
Central screw：5/8" × 11