Cosmonic Wall Scanner Wall Detector Sensor with LCD Light Indicator & Sound Warning, for Wood Stud/Metal/Live AC Wire/Deep Detecting

Product description: 【Test Range】The maximum detection depth is 19mm below the surface of a uniform object, the detection range error is 3mm, and the range of the detected object cannot be less than 1200mm. 【Pro-Level Accuracy】Our stud finder wall scanner is launched after testing and upgrades for years. This wall detector adopts the most Advance Sensors Technology for accurately & quickly locating studs wood metal AC wires. Whether you are a professional, homeowner or a DIY enthusiast, you can find great use in this electronic stud scanner. 【Operation Is Simple & Easy To Calibrate】Just press the button, it beeps right away for 1~2 seconds, When the green light (Power Indicator) stays illuminated, the calibration is completed. When it's done, now you can slide it around to detect (keep holding button) until you find the edge of a stud. 【Upgrade Design Of Lcd Light】Displaying the Desired Stud Material As Well As the Precise Position of the Stud - The Tavool digital