GTX5030:

Need to find gold and silver jewelry, coins and other metals underground? Try this. Find coins, relics, jewelry, gold and silver anywhere with this powerful and versatile metal detector. It is also widely used to detect aluminum, copper and rare metals and anywhere hidden metals need to be detected.

feature:
Practical Metal Detector: Great for finding metal objects and anywhere you need to detect hidden metal. Additionally, this easy-to-operate metal detector is also suitable for research or educational use.
DESIGNED FOR FINDING METAL: Use both ALL METAL and DISC modes to search underground for gold and silver jewelry, coins and other metals.
ADJUSTABLE HEIGHT OF METAL DETECTOR: Adjust the length of the detector for comfortable use.
Detection Indication: Audible alarm and pointer to indicate metal detected.
Waterproof Search Coil: You can use the metal detector in shallow water.
Volume control: adjust the output volume of the speaker or earphone.
Widely used: detection of metal foreign objects such as raw materials, fuels, food, underground pipeline detection, archaeology, exploration, discovery of buried treasures such as gold, silver, and metal cultural relics, acquisition of scrap metal industry, customs security inspection, investigation by public security departments, inspection of express delivery, luggage in luggage Metal foreign objects, etc.

Specification:
Type: Metal detector only / with shovel / with headset and shovel (optional)
Material: ABS plastic + aluminum
Frequency: 6KHz
Voltage range: 7.2~9.6V
Display mode: mechanical indication mode, sound mode
Working method: all metal, disc
Sensitivity: >18cm/7.09" (Test coin: 1 CNY)
Distinction: ferrous and non-ferrous metals
Sensitivity: adjustable
Volume: adjustable
Headphone jack: 3.5mm
Battery Status Indicator: Yes
Detection object: metal (nails, iron sheets, aluminum rings, small aluminum products, coins, gold, copper, silver)
Detection depth: 15-30cm / 3.94-11.81inch
Power supply: 2 * 6F22 9V batteries (not included)
Search Coil Diameter: 202 mm/7.95 inches
Detector adjustable height: 82-113cm / 32.28-44.49inch
Metal Detector Weight: 350g/12.35oz
Package size: 45 * 21 * 11cm / 17.72 * 8.27 * 4.33in

packing list:
1 * metal detector host
1 * armrest
2 * connecting rod
1 * search coil
1 * User Manual (English)

MD830:

feature:
HIGH PRECISION THREE TONES: The metal detector has unique tones – bass, midrange and treble are displayed on fun icons to distinguish different metals. DISC mode helps you eliminate target classes and improve detection efficiency.
Large and Interesting LCD Display: Equipped with a large backlit LCD screen that can display different detection depth, discrimination, operating mode, overload warning, sensitivity level and battery level, you can distinguish between target and unwanted metal. This entry-level metal detector is the perfect gift for beginners.
IP68 search coil: 7.8" The diameter search coil and rod enable you to explore underwater with the metal detector, ideal for probing at the beach or in streams (note: the control box cannot be placed in water). With a headphone jack (3.5mm/1/8″), you can connect headphones so you can use it in noisy environments.
Humanized Design: The metal detector is ergonomically designed, comfortable and convenient to use.Adjustable rod extends from 24" to 45" Adapt to users of different heights. The armrest design is more labor-saving, giving you a wonderful treasure hunting journey.

Specification:
Material: ABS+Metal
Colour: Black
Batteries: 2 * 9V batteries (not included)
Mode: All Metal Mode, DISC Mode
Detection display: LCD screen
Audio: 3-tone audio
Working frequency: 6.6KHz
Sensitivity: 7" deep (test coin: US 25 Cent)
Coil size: 7.8 inch waterproof coil
Length: Adjustable Pole (31.5-41.3 inches)
Package size: 535 * 220 * 110mm / 21.1 * 8.7 * 4.3in
Package weight:
Type 1: 1324 g / 2.9 lbs
Type 2: 1450 g / 3.2 lbs
Type 3: 1853 g / 4.1 lbs

notes:
The search coil is waterproof, but the control housing is not.

Packing list: (optional)
1 * metal detector host
1 * detection coil
2 * connecting rod
1 * grab bar
1 * User Manual