* Laser diode Line: 500 – 540 nm, < 10 mW , Point: 630 – 650, < 1 mW * Operating temperature: -10 – 50 °C * Storage temperature: -20 – 70 °C * Laser class: 2 * Working range: 15 m * Accuracy: ± 0.3 mm/m * Working range of laser points, max: 10 m (top) , 10 m (bottom) * Self-levelling range: ± 4° * Levelling time: 4 s * Dust and splash protection: IP 54 * Power supply: 3 x 1.5 V LR6 (AA) * Operating time (max.): 6 h in cross line and point mode , 8 h in cross line mode , 10 h in line and point mode , 12 h in line mode , 22 h in point mode * Tripod thread: 1/4", 5/8" * Colour of laser line: green * Projection: 2 lines / 2 points * Plumb point accuracy: ± 0.7 mm/m