It has 3 laser diodes - one for each of the beams. It has a 3-position power/lock switch and features a visual warning/indication for 'manual mode'.
Stanley STHT1-77147 Cross 90 Laser Level with Pole
CROSS90 - CROSS LINE LASER WITH 90DEG LINE- RED
STANLEY® CROSS90™ Cross Line Laser Level (10m)
Stanley STHT1–77147 Cross 90 Laser Wasserwaage mit Stange : : DIY & Tools
STANLEY® Laser Level Cross 90° Green
STANLEY® Laser Level Cross Line Red
Stanley Cross90 Red Self-Levelling Cross-Line Laser Level - Screwfix
Stanley Cross90 Red Self-Levelling Cross-Line Laser Level - Screwfix
STANLEY STHT1-77147 CROSS 90 Laser Level with Pole £148.99 - PicClick UK
STANLEY® Laser Level Cross Line Red
STANLEY® CROSS90™ Cross Line Laser Level (10m)