All Franklin Sensors products are Made in the USA. We believe that high-quality products make high-quality projects, and we strive for excellence from beginning to end of our production process. Higher Accuracy, Better Technology With 13 patented sensors, the M210 detects studs more accurately Safety First Live Wire Meter The ProSensor M210 includes a live wire meter for worryfree drilling Shows the FULL WIDTH of Studs The wide LED display shows the studs center and edges simultaneously Deep Scan, Always On The ProSensor M210 auto adjusts for depth, material and texture up to 1.7 in Durable 1 Rated by consumers and pros, the ProSensor M210 stud finder is both accurate and durable