Hanmatek Stud Finder Wall Scanner Detector With Pro Smart Sensor, Audio, Pipe Product Details Simple and easy to use: SF2 wall scanner has 4 functions, it is suitable for detecting metal, wood, magnetism, AC cable, can accurately and quickly fix the position of nails, screws, steel rods, wooden beams, AC cables, etc. EASY TO READ: The large LCD display is easy to read. The signal strength display area on the display can clearly show the distance to the metal object. The screen can see the scanning mode, detection depth, detection signal strength, battery indicator and center point, etc. And the detector can be shut down within 5 minutes without operation. Self-calibration The wall detector can be calibrated automatically, just press the metal detection button. Note: Auto calibration must be performed without nails, AC cords or metal, otherwise the test results will be inaccurate. The scanner has two functions: audible alarm and light indication. Ergonomically designed, it is very comfortable to hold at any angle; The rubber on the back prevents damage to the wall, which is safe and comfortable. Application scenario: This wall detector can quickly locate metal and wooden AC cables hidden in the walls, floors and ceilings of your home, helping you avoid dangers when installing TVs, cabinets, garage shelves, etc. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.