24-Inch Professional Digital Magnetic Level - IP54 Dust and Waterproof Electronic Level Tool - Get Master Precision with Shefio Smart Level, 2 AAA Batteries + Carrying Bag - Amazon.com
Spectra Geospatial
Digi-Pas 2-Axis High Precision Digital Machinist Level with Bluetooth - DWL-3000XY - Penn Tool Co., Inc