A-SZCXTOP 2-1 Line Laser Level Meter Mouse Type Horizontal &amp; Verticalline Maker Device Tool Use to Civil Engineering or Construction Field.Hanging Pictures， Wall papering， Tiling<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Mini 2-line laser mouse type right-angle marking device.</li><li>Used widely in civil engineering or construction field.</li><li>2 in 1 Line Laser Level Mouse enables the user to produce straight lines， cross points and dots to aid in many tasks such as hanging pictures， wall papering， tiling etc</li><li>Laser Wavelength varies from: 625n to 670nm.</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41tUGLv8R1L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41N2ZQ5bpTL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41gKwkBVXiL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51VoH5vEPAL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41iZmYDUAIL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/411d8r8aG2L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51u6Lue7j7L.jpg" noproxy>