The Bosch GLL 3-80 G Professional is a versatile line laser that projects three highly visible 360^{\circ} green lines for simultaneous horizontal and vertical levelling across an entire room. The green laser provides up to four times better visibility than red lasers and maintains a high accuracy of \pm 0.2 \text{ mm/m}.
Technical Data
Working range: 30 \text{ m}
Working range with receiver (max.): 120 \text{ m}
Accuracy: \pm 0.2 \text{ mm/m}
Projection: 3 \times 360^{\circ} line
Self-levelling range: \pm 4^{\circ}
Levelling time: 4 \text{ s}
Power supply: 4 \times 1.5 \text{ V LR6 (AA)}
Weight, approx.: 0.82 \text{ kg}
Tripod thread: 1/4", 5/8"