KONGTENBUY – Metal Detector, 30.7 – 42.5 Inch Adjustable High Precision Waterproof Metal Detector, Professional Metal Detector with Coil, Discrimination and All Metal Mode

Affiliate Disclosure: We may earn commissions from purchases made through links in this post

KONGTENBUY – Metal Detector, 30.7 – 42.5 Inch Adjustable High Precision Waterproof Metal Detector, Professional Metal Detector with Coil, Discrimination and All Metal Mode

  • ECH FOR THE HIGH ACCURACY – NEW VERSION! Our metal detector features SMT technology & high sensitive sensor to accurately position the metal in 10 inches deep underground, easily find out the underground wealth like coins, gold, silver, copper, jewelry.
  • 2 METAL DETECTING MODES – 2 different detecting modes of all metal mode and discrimination mode, the all metal mode helps to exclude small iron while the all metal mode detects all metal, this metal detector is high accuracy and easy to operate.
  • 7.8 INCH SEARCH COIL – This metal detector with 7.8 inch large search coil which helps to offer a wide range of 10 inch deep in the ground to detect the metal accurately, and it's 100% percent waterproof which allows you freely search the metal under the water.
  • ERGONOMIC & COMFORT – 30.7″ – 42.5″ length adjustment, this metal detector allows you easily adjust the length of the rod according to your outdoor occasions, while the ergonomic design provides you a comfort grip to reduce fatigue & soreness.
  • BUY WITH CONFIDENCE – Sensitivity and volume adjustable, a 3.5mm jack allows you plug your earphone inside, making it a great gift for surprise! 100% High quality & satisfaction, feel free to contact us if there is any issue with our metal detector.

See User Reviews And Ratings On Amazon

Metal Detector Information And Buying Guide

A metal detector is an electronic device which is used for finding metallic items in hidden places such as under the ground.


How does a detector find metal objects?

The metal detectors are equipped with magnetic coils which are supposed to engage with the metals around. Subsequently, the moment you place the device at the ground, an attraction between the coils within the detector and the metals to be had happens thus notifying you the spot to look at. One of the vital metals detected through the device include iron, copper, brass, aluminum, tin, lead, gold, silver, bronze, jewels, coins and plenty of others. A metal detector is a reliable tool for finding buried metals taking into account that it mean you can discover various kinds of metals.
One essential factor to bear in mind regardless that is that there are extensive types of metal detector units in the marketplace to choose from. So, what should you look for when in search of a new detector?

The extent of sensitivity

The sensitivity levels within the detectors determine the type of metal it is going to have the ability to locate in that area. Some metals require highly sensitive devices, and there are those who get attracted pretty easily. For example, small metals just like the jewels and even coins want a detector that has a top level of sensitivity given that it’s simple to find them particularly if they are buried underground. Then again, for massive pieces which can be hidden underground, the use of a low sensitive detector will paintings appropriately for you because the objects are easy to find. Additionally, it’s endorsed that you purchase a sensor that has flexible, sensitive choices considering you may need to use it in numerous stipulations and even areas.


This is likely one of the easiest features that you must look out for while buying the new detector. It’s because it makes your work straightforward when discovering natural metals. A discrimination characteristic is used in discovering the fitting metals via opting for the responses from the metals at the location that you are looking out. Each mettalic object has its reaction when attracted through a magnetic device and therefore, this feature lets you recognize the type of steel situated in that house by exhibiting the reaction on the system. Observe that the cost of a detector with this selection is rather prime. Additionally, whilst buying a detector with discrimination, check out the levels to be had considering they range in degrees.

The cost

How so much are you willing to spend on obtaining a new detector? Well, this should be the first query you ask your self before you head to the store to shop for one. The metal detectors are supplied with different features, and the weather resolve the price. Due to this fact, if you need a sensor that has all the above features, then you must be prepared to spend a couple of more dollars due to the fact it’s going to value you extra versus obtaining simple detector.

The user

You may want a metal detector that can be used by all the family especially when you move out looking, tenting and even hiking. Therefore, to make certain that everyone will be capable to use the detector effectively believe shopping for an adjustable indicator that you’ll increase in duration for better use.

The area to use it

Some metal detectors are designed to be used in areas that don’t have top focused soils or spaces that aren’t deep, at the same time as others are made with an adjustable mechanism which lets you use it in numerous places. Therefore, if you already know that you are going to be using the tool in several areas, believe getting the adjustable one for simple use. Notice that an adjustable metal detector will price you extra versus the simple one.

Other accessories

Every steel detector has to have an feature that notifies you whilst you get on the subject of the metals on the floor. A few metal detectors are offered with headphones, and others are supplied with LED notifications at the LCD screens for a similar objective.

The features to search for



Radar is the characteristic that may be answerable for figuring out the sizes and the densities of the metals to be had on the ground. This option is basically recommended for other people engaged to find treasures or gold at the deep levels of the land.

The detection tech

The metal detectors are designed with completely different detecting generation, and due to this fact, you want to decide what you’ll be searching with the software prior to buying it. The ways are grouped into 3 classes which are the BFO, VLF, and PI.

BGO is the simplest era and detectors with this generation encompass approximately two coils of the magnet. It is a perfect for in search of metals which are at the topsoil or hidden on different items.

VLF – This instrument is perfect for those who need to select certain metals from the ground. It really works by freeing frequency magnetic at the ground. Then when the magnet reaches to the ground, it moves until it comes throughout a particular metal, and then reflects the software. You cans setup the VLF to replicate handiest while it comes into contact with the type of metal you are hunting for.

PI is a fine quality technology that’s accountable for finding the metals which are deep in the flooring. The technology may also be set in some way that it’s going to only pinpoint and provide you with a warning when it comes into contact with that metal. It is basically utilized by people who hunt for treasures or gold deep underground.