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 Categories

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 Buying Guide

A metal detector is an electronic tool which is used for locating metal items in hidden places such as under under sand.


How does a detector find metallic objects?

The metal detectors are supplied with magnetic coils which are meant to engage with the metals around. Therefore, the instant you set the instrument on the ground, an attraction among the coils in the detector and the metals to be had happens therefore notifying you the spot to have a look at. Probably the most metals detected by the instrument include iron, copper, brass, aluminum, tin, lead, gold, silver, bronze, jewels, cash and plenty of others. A metal detector is a competent instrument for locating buried metals taking into account that it let you discover different types of metals.
One crucial thing to bear in mind despite the fact that is that there are extensive varieties of metal detector units on the market to choose from. So, what should you search for when in search of a new detector?

The extent of sensitivity

The sensitivity levels within the detectors resolve the kind of metal it’s going to be capable of locate in that space. Some metals require extremely sensitive devices, and there are those that get attracted pretty easily. For example, small metals just like the jewels or even cash need a detector that has a top stage of sensitivity considering that it is simple to search out them especially if they’re buried underground. However, for enormous pieces which are hidden underground, the usage of a low delicate detector will paintings accurately for you for the reason that items are easy to find. Additionally, it is suggested that you simply buy a sensor that has versatile, delicate options when you consider that you can also want to use it in different prerequisites and even areas.


This is among the easiest options that you just must glance out for whilst buying the new detector. This is because it makes your detecting activity straightforward when finding natural metals. A discrimination characteristic is utilized in discovering the precise metals via choosing the responses from the metals on the space that you are searching. Every mettalic object has its response whilst attracted through a magnetic device and subsequently, this selection lets you recognize the kind of steel positioned in that house by displaying the reaction at the machine. Word that the price of a detector with this option is fairly high. Also, when buying a detector with discrimination, check out the levels available in view that they vary in levels.

The associated fee

How much are you prepared to spend on acquiring a new detector? Well, this will have to be the first query you ask your self ahead of you head to the store to buy one. The latest detectors are provided with different options, and the weather determine the price. Therefore, if you want a sensor that has all of the above features, then you have to be prepared to spend a few extra bucks since it will cost you more versus obtaining easy detector.

The consumer

You may want a metal detector that can be utilized through the entire circle of relatives especially whilst you pass out searching, camping and even climbing. Therefore, to make certain that everybody will be capable to use the detector without problems imagine shopping for an adjustable indicator that you’ll building up in duration for higher use.

The area to use it

A few metal detectors are designed for use in locations that do not have high focused soils or areas that are not deep, while others are made with an adjustable mechanism which allows you to use it in different locations. Due to this fact, if you recognize that you are going to be the usage of the instrument in numerous spaces, believe getting the adjustable one for easy use. Be aware that an adjustable metal detector will price you more as opposed to the straightforward one.

Different accessories

Each and every metal detector has to have an accessory that notifies you while you get close to the metals at the floor. A few metal detectors are sold with headphones, and others are supplied with LED notifications on the LCD monitors for a similar function.

The features to search for



Radar is the feature that is responsible for determining the sizes and the densities of the metals to be had on the floor. This selection is basically beneficial for people engaged to find treasures or gold on the deep ranges of the land.

The detection technology

The latest detectors are designed with totally different detecting generation, and subsequently, you are looking to decide what you are going to be searching with the device ahead of buying it. The techniques are grouped into three categories which are the BFO, VLF, and PI.

BGO is the simplest era and detectors with this era include approximately two coils of the magnet. It is a perfect for searching for metals which might be at the topsoil or hidden on different objects.

VLF – This type is ideal for many who wish to select sure metals from the ground. It works by way of releasing frequency magnetic on the floor. Then while the magnet reaches to the bottom, it moves until it comes across a selected steel, after which reflects the instrument. You cans setup the VLF to replicate most effective when it comes into contact with the kind of metal you’re hunting for.

PI is a high-quality technology that is accountable for discovering the metals which are deep in the ground. The technology can be set in some way that it is going to handiest pinpoint and alert you whilst it comes into contact with that metal. It’s principally used by people who hunt for treasures or gold deep underground.