1. The steel underground metal detector is made of imported technology and components produced new products, compared with other similar products in the domestic V20 Taobao the steel underground metal detector with a probing depth, and automatically adjust the 'mineralization' positioning accuracy, resolution, energy saving and environmental protection, instruments and long service life, maximum detection depth up to 3 m. Caves, steep slopes, plains suitable for use. Supply mode: only a charge? Gun Mu the unpredictable land osprey Indica speak ravioli sole  Mi fat Shisha Lai Valerian Gan  Fei the Wu the of  ditch  fine linen Kang significantly less ゴ Hey Bru nightmare Ben Su Chi net  take along? ( than 8 hours), eliminating the frequent replacement of the battery of distress, can greatly save the cost of post-use. Unprecedented in other similar underground metal detector models, with high performance and low cost. V20 Taobao the steel underground metal detector Depth: 3 meter operation: balance / identify the main vibration frequency: 455KHZ signal frequency: 433HZ power consumption: 1W Net Weight: 2.9KG / table overpacked: 4.9KG / units. 2.TS130 metal detector is the application of advanced technology to produce products. The instrument is made of high quality components, it has a wide degree of detection, accurate positioning, resolution and strong, easy to operate. The metal detector is mainly used to detect and identify hidden buried metal objects. In addition to military applications, it can also be widely used in: ● ** criminal authorities searched quickly; ● metallic foreign body in the testing of raw materials, fuel, food; ● check mail, metal objects in line package; ● detecting underground pipes , cable; ● archeology, prospecting; ● treasures of gold and silver and metal artifacts found buried in the ground. Characteristics: has a balance lines, can eliminate "mineralization reaction" impact · difference between ferrous and non-ferrous metals · smartphone operating system · ABC material sealed bags of high strength, light weight, long life ... You can identify metal sound specifications · maximum detection depth: 1.8 m · main vibration frequency: 465Hz ± 2KHz signal frequency: 454Hz ± 2Hz ??operating current: 9V "AA" (alkaline) × 6 · Power Consumption: 0.6W 3 V50 underground metal detector security check ● ** Department of Criminal quickly searched; ● metallic foreign body in the testing of raw materials, fuel, food; ● check mail, baggage and parcel of the metal items; ● detecting underground pipes, cables; ● archaeological , prospecting; ● buried underground treasures of gold and silver and metal artifacts. Second, the main function: ● has a balance lines, can eliminate "mineralization reaction" impact, greatly improving the effective detection of the depth and accuracy; ● difference between ferrous and non-ferrous metals; ● smartphone operating system ● high intensity ABC Packaging Materials, light weight, long life ● can identify metal sound through headphones, the product parameters: maximum detection depth of 3-5 meters and signal frequency: 7KHz · Sound frequency: 400Hz · Operating Current: 12DCV AA "(alkaline) 8X1.5V · Power Consumption: 0.6W · Weight: 2.6Kg Zhengzhou Megumi Instrument Co., Ltd. Address: 19th Floor, Sun and Moon Star City, West Street, Guancheng District A3 Tel: 0371-55676313/66227105 Fax: 0371 -66,227,105 Contact: Naidu 13,017,693,918 QQ: 1,006,519,081 URL: http://www.5117hm.com