Gbnryg M55Z-SX8 Metal Detector with 12-Inch Coil

Inch: The Gbnryg M55Z-SX8 metal detector combines five search modes with a backlit LCD and a waterproof search coil. Its adjustable stem and included-kit claims make it a candidate for casual outdoor searching, but the listing does not establish that the control console is waterproof.

At a glance

Five modes are listed for all-metal searching, discrimination, memory, jewelry and pinpointing.
The listing claims a backlit LCD, a collapsible cam-lock and a screw-free search head for setup.
The search coil is claimed to be IP68 waterproof. The listing explicitly says the control console is not waterproof.
A telescopic stem is claimed to adjust from 21‑53 inches, with padded elbow support and soft silicone buttons.

Price

$109.99Save 15%

Reference price: ~~$129.99~~

Price checked: Nov 13, 2026

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Pros and cons

Pros

Five search modes offer different approaches, including filtering unwanted metals and pinpointing a target.
Backlit LCD and claimed collapsible construction are useful features for outdoor use and transport.
Customer feedback describes assembly as easy and mentions a backpack for storage.

Cons

The listed weight is 5.8 pounds, a relevant trade-off for buyers planning long periods of one-handed use.
Battery life and detection accuracy receive mixed customer feedback.

Technical specifications

13 specifications

Identity
Brand	Gbnryg
Model	M55Z-SX8

Detection and display
Screen technology listed	LCD
Operating frequency	5.8 KHz
Search coil size	12 inches
Search modes	5 practical search modes

Power and battery
Power configuration	Battery Powered

Dimensions and installation
Weight listed	5.8 pounds
Extended length	53 inches
Adjustable stem range	21‑53 inches
Item dimensions	17"L x 11"W x 5.9"H

Materials and protection
Material listed	Metal, Plastic
Search coil protection rating	IP68

What to know before buying

The listing's 53-inch extended length and 21‑53-inch adjustable stem range are not identical descriptions, and the battery configuration is stated without battery type or runtime. It claims a 12-inch IP68 coil but explicitly says the console is not waterproof. The title's adult focus contrasts with claims of an adjustable fit for kids too. Confirm these details and what accessories are in the selected listing before purchase.

Who is it for?

A good fit for

Casual outdoor searches by adults or families who want several detection modes and an adjustable stem.
Buyers who value a backlit display and a coil claimed to be waterproof for beach or shallow-water searches, while keeping the console dry.
Beginners who want a bundle that the listing claims includes batteries, headphones, a backpack, a digger and a manual.

Less suited to

Searches that require submerging the complete detector, since the listing says the control console is not waterproof.
Buyers who need a confirmed battery runtime, type, or consistently accurate detection performance.

Gbnryg M55Z-SX8 Metal Detector with 12-Inch Coil · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.4 / 5 · 1,644 ratings

5 stars72%72%
4 stars12%12%
3 stars6%6%
2 stars3%3%
1 star7%7%

Customer feedback describes easy assembly, family-friendly outdoor activity, storage convenience and finding items such as keys. Accuracy and battery life are mixed, with some customers reporting inaccurate readings or short battery life. For casual use, the five listed modes and adjustable stem offer flexibility, but buyers who depend on repeatable target identification or long outings should account for those mixed reports and the unspecified battery runtime.

Positive themes

Customers describe assembly as easy and the detector as a way to keep kids active.
Feedback mentions a backpack for storage and finding items such as keys.

Mixed feedback

Customers report mixed experiences with detection accuracy.
Battery life also receives mixed feedback, including reports of short runtime.

Frequently asked questions

Can the entire detector be used underwater?

No. The listing claims an IP68 waterproof search coil but explicitly says the control console is not waterproof.

What search modes are listed?

The listing describes all-metal, discrimination, memory, jewelry and pinpoint modes.

What is the claimed stem adjustment range?

The feature text states 21‑53 inches. The details also list an extended length of 53 inches.

Are batteries and accessories included?

The feature text claims two ready-to-use batteries, a backpack, over-ear headphones, a digger and a user manual. The supplied package inventory is empty, so confirm the selected listing's kit contents.