"Accuracy: H/V line ±3 mm/10 m Levelling range: 3°±1°; Lowering time: ≤3 s; Degree of protection: IP 54; Operating temp: -10~50�; Maximum output power: 20 MW; Laser wavelength: 520 NM; " Comes with mounting bracket Power supply 2 batteries 1. 5 V type AA / batteries not included The crossed laser emits clearly visible green lines For marking lines for construction, renovation and painting work In accordance with the supplied instructions laser, handle. "
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