Based on this product's specifications, here are some alternatives and similar models
Unit LM320D Digital Protractor and Inclinometer
Summary description:
The Unit LM320D is a precise digital protractor and inclinometer designed for accurate angle measurement and leveling tasks. This compact tool features a clear digital display for easy reading, making it ideal for construction, woodworking, and metalworking applications. It provides reliable performance for professionals and DIY enthusiasts requiring exact angular alignment and surface inclination data.