1. High-sensitivity cable detector: When live cables are detected in all three detection modes, an AC cable warning sign will appear on the LCD screen. The highest point is in the middle of the pole. When the target is found, a beep will sound to alert you. 2. Automatic calibration: Before detection, press and hold the scan button for 1 - 2 seconds, and the wall metal detector will calibrate. When the work is completed, a beep will sound to alert you. If you accidentally release the button initially or think you should release it during the process, you may need to recalibrate the material detector. 3. Excellent backlit display: The metal detector has an LCD backlight function, which can display clearly even in low-light conditions. It also has a screen detection mode, center direction indicator, and low-battery indicator. There are voice instructions and audio alerts. 4. Ergonomic design: It comes with a soft grip for comfortable and better control of the tool. 5. Easy to read: It has a green backlit display, beeps, and visual indicators for accurate detection. 6. It can rapidly detect the center position of the pole. 7. The LCD display has good readability. 8. It can detect wooden poles and metals with a wall thickness of less than 1 1/2 inches (38 mm). 9. It can detect metal pipes with a wall thickness of less than 3 inches (76 mm). 10. It can detect wires inside the wall with a wall thickness of less than 3 inches (76 mm). 11. All detection functions are automatic.