The new SmartTool torpedo module packs all of the features of the larger units in a compact 7" module. Read angles in a 360° range (0-90° in 4 quadrants). The large LCD digital display shows readings in either degree, percent slope, and pitch with an accuracy of 1/10 degree. It also features an audible beeper that alerts you to when it's level and/ or plumb. The solid ABS construction makes it resistant to impact and it's sealed against dirt and water penetration. Manufactured by Macklanburg-Duncan. 1 lbs (0.5Kg) shipping weight.