the screen flashes "PF" for 3 seconds

Material: Glazed ceramic

Jiuyi stitching apparatus [1]

Battery Capacity: 800mAh

Metal Detector, Underground Treasure Finder Format:MD4060 the screen flashes "PF" forProduct information: Specification: MD4060Applications: Gold detection, desert detection, military use, security inspection, archaeology, treasure hunting, and beach detection Features: LCD screen displays possible metal types, including arrows, target depth, DISC NOTCH range, sensitivity level, and battery status. It also displays DISC and TARGET numbers. Three tone audio recognition emits three different tones (high, medium, and low) for different