Inclinometer， RISEPRO® Digital Inclinometer Angle Finder Gauge Spirit Level Upright Magnet 360° Range 416mm long with Backlight 82112M-S<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>WIDE MEASURING RANGE - Measure slope angles 4 x 90˚ (total 360˚) range</li><li>4 STRONG BUILT-IN MAGNETS – Magnetic base to firmly attach on metal surfaces</li><li>BACKLIGHT – Large and clear LCD with backlight</li><li>ABSOLUTE &amp; RELATIVE MEASUREMENT MODES - You can place the meter on a reference surface zero to measure relative angle， then it will give a result of measured slope angle. With absolute angle measurement， you can test whether the working surface is on the level.</li><li>ALWAYS UPRIGHT READINGS - Reading is always displayed upright even the protractor is upside down</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41gIQyA%2BCfL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41-wWESfx5L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41YYwSGHu1L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51%2BRlpPZyRL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41iVrKLaEXL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31kVqTJVa2L.jpg" noproxy>