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 710+ detects studs more accurately Shows FULL WIDTH of Studs: The wide LED display shows the studs center and edges simultaneously Deep Scan 1.6", Always On: the 710+ auto-adjusts for depth through 1 layer of sheetrock/drywall Accurate and Easy: Just press and hold the button to instantly detect studs. No calibration required Built-in Bubble Level and Integrated Ruler. Requires 2 non-rechargeable AA batteries, not included