GT6100 Portable Underground Metal Detector

Two Operation Modes: All Metal and Disc.
All Metal: Lets you search for all different types of metals with auto ground balance and high sensitivity. It's the best operation mode.
Disc: Discriminates what kinds of metal is being detected.
Earphone Jack: Lets you connect headphones to the detector.
View Meter and Pointer: The meter pointer swings to the right if metal is found.
Waterproof Search Coil: Lets you search for metal objects under shallow water.
Adjustable Stem: Lets you adjust the detector's length.

Specifications:
Material: ABS + metal
Color: Black
Type: Metal detector + headphone + shovel
Battery: 2 * 9V battery (not included)
Mode: All Metal, Disc
Detection depth: 180mm (test coin: U.S 25 Cent)
Earphone jack: 3.5mm 
Search coil diameter: 203mm 
Control unit size: 135 * 121 * 72mm 
Package size: 490 * 220 * 110mm 
Package weight: 1703g

Package Contents:

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