BOSCH GLL5-50XAP Line laser

Laser diode: 630 – 650 nm, < 1mW
Laser class: 2
Working range: 15 m
Working range with receiver: 50 m
Accuracy: ± 0.2 mm/m
Angle accuracy: ± 0,2 mm/m
Self-levelling range: ± 3°
Dust and splash protection: IP 54
Power supply: 4 x 1.5 V LR6 (AA)
Weight, approx: 0.5 kg