Anywhere from 30-45 minutes is all you need with very minimal construction

shaft rotation

Packed by plastic hanger and double blister

Size:7"/180mm

Makita SK102Z Cross Line Laser Level (2608588313) Anywhere from 30-45 minutes isIt's what's INSIDE that counts. SK102Z 30m Laser Level 1. 5V x2 AA Battery Features Horizontal and vertical self leveling upto 4, when out of leveling range automatically switches off laser and shows warning light Horizontal aligning: Convenient way to transfer reference points from one wall to another Vertical aligning: The simple way to ensure that walls, floor, tiles, joints precisely meet one another Can manually switch off the self leveling