Features: 1. The 4-inch display Chinese interface farewell to the cumbersome debugging of traditional instruments 2.Unique resolution technology,Different metals display different values 3.Unique exclusion technology for easy removal of iron metal 4. lightweight design, the whole machine weight is two times lighter than the traditional machine. 5.Low energy consumption technology, 9V6f22 power supply is used for a long time, easy to replace 6. Pulse technology, more sensitive than the depth of the traditional machine 7.All metal / recognition, dual mode is free to choose The biggest advantage of this instrument, magnetic field adjustment, when encountering a strong magnetic field such as high-voltage line generator, you can manually adjust the magnetic field adjustment to eliminate interference. Parameter Weight: 3.5kg Model: BG-007i Host size: 112x12.5x6 CM Probe size: 28x22x2CM Power: 9V6F22 battery Probe size: 48Xx36X43CM upper and lower Display: 4 inch blue light display operation Machine size: 1.1 meters assembled Depth: Different sizes of metal depth Different package size: 50X32x13CM Net weight: 1.2KG Probe waterproof: can be used for fresh water detection