90-Degree Line Level Right Angle L- Double Bubble Woodworking Measure Tool

90-Degree Line Level Right Angle L- Double Bubble Woodworking Measure Tool Specification: Item Type: Line LevelLaser Wavelength: 650nm Level: Level 3 Protection Level: IP54 Accuracy: ?3/8 inch Self-levelling Range: ? 4? Battery: 1.5V AA x 3(not included) Uses: Angle measurement draw right angle Product Size: Approx. 13.4 x 13.4 x 4.5cm / 5.3 x 5.3 x 1.8in Package List: 1 x Ruler