Key Technology	Ultra-wide dynamic range 45kHz VLF
Detect Modes	Gold (Iron reject), Deep All-Metal
Discrimination	Gold Chance Indicator (high/low)
Ground Balance	Automatic (Easy-Trak)
Noise Cancel	Automatic (On start-up)
Sensitivity Adjust	Manual (1–10), Auto (11), Auto+ (12)
Volume Adjust	Manual 1–6
Visual Display	Monochrome LCD
Detector Length	1382mm–944mm (54.4″–37.2″)
Detector Weight (with10″ × 6″ coil)	1.33kg (2.94lbs) (excluding battery)
Audio Output	Internal speaker or headphones 3.5mm (1/8″)
Standard Coil	GM 05 (5″ Double‑D)
Waterproof/Splashproof	Coils waterproof to 1m (3′), Control box rain/splash-proof
Battery options	Li-Ion (included), 8 × AA Batteries (not included)
Warranty	2 years control box & coil
Accessory coil	GM 10 (10″ x 6″ Double-D)

Gold Monster 1000 5″ Double-D GM 05 Coil

5″ Double-D GM 05 Coil