Metal Detector High Accuracy Gold Detector Lightweight Metal Detector for Treasure Hunt DISC and All Metal Mode Search Coil for Detecting Gold Coin Specifications: Type: With Metal Shovel and Headphone Material: ABS plastic + aluminum Frequency: 5KHz Voltage Range: 7.2~9.6V Display Mode: Mechanical indicator mode, sound mode Operating Mode: All metal, disc Sensitivity: US 25 cents: 130mm Distinguish: Ferrous and non ferrous Sensitivity: Adjustable Volume: Adjustable Headphone Jack: 3.5mm Battery Condition Indicator: YES Detect Objects: Metal(Iron nail, iron covering, aluminum ring, small aluminum product, coin, gold, bronze, silver) Detection Depth: 15-30cm / 3.94-11.81inch Power Supply: 2 * 6F22 9V battery (NOT included) Search Coil Diameter: 198mm / 7.79in Adjustable Height: 89-120cm / 35.04-47.24inch Item Weight: 350g / 12.35oz