Numeric/sound/cursor distinguishes metal: different metals display different values, different sounds, and different cursors, thus reducing unnecessary digging Intelligent backlight: It can turn on/off the backlight at any time according to its own environment. At night, the dark environment can be applied at the same time Automatic balance function: The instrument has automatic balance, and the complex environment is not screaming Precise positioning: Just press the positioning button easily, you don't need to press the same long as other metal detectors Waterproof probe: All the LCD screens are waterproof and can be used under 1.3 meters deep