SA-03G at horizontal and vertical lines Crossed point adding a highlight. This increased highlights suited for brighter construction site. Even in outdoors, increased highlights were visible. Use 3 Line 2 Point principles, can draw Horizontal line, easy to use.
Function Description: 1. According to positive and negative direction mounted three batteries or lithium battery, turn right switch knob is turned on, all laser line all bright. 2. Increased highlights and wall mount design, portable and practical, long-distance also can visible.
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