Bosch GTL2 Laser Square<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Projects horizontal and vertical -Inch chalk lines-Inch on any surface</li><li>Alignment Guide for 90-degree Layout - Calculate and turn angles in 5-degree increments</li><li>Simple One-Button Operation - Powers two perpendicular laser lines (90-degrees) on and off</li><li>Easy-to-Press Push Button - Secures unit to smooth surfaces using non-abrasive adhesive</li><li>Class II laser product， ≤1mW power output</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41pXMi9T6VL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41vIPjb4bXL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41bqtr%2BPODL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41o-quC6SQL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41sLUQE5ZHL.jpg" noproxy>