Self-leveling line laser

Red laser level
Working range: 0 ~ 15 m
Levelling accuracy: ?2 mm @5 m
Line accuracy: ?2 mm @5 m
Levelling time: ? 3s
Self-levelling angle: ? 4?
Laser type: 635 ? 5nm
Laser Class ?<1mW Operating temperature: 0 ~ +40? Operating temperature: -10 ~ +50? Batteries LR6 AA (1.5V) x 2 Includes: Laser cross lock function Horizontal and vertical line function Packed by double blister.