the metal detector in the shallow water. Armrest & Stem - designed to eliminate strain on forearm. The nylon bracket to further secure the slip of the hand compartment after long time holding the detector by arm. Optional Accessories - Plastic shovel an plastic rake are available for you to choose, which can help you dig and find out detected metals more easy. Specifications: Color: Yellow / Gold (Optional) Material: ABS Plastic + Aluminum + Copper Min Detection Diameter: 8" (Test Coin: US Φ 50) Detect Objects: Metal Operate Current: STANDBY 65mA, MAX 150mA Operating Voltage Range: 7.2-9.6v Operating Frequency: 7.5KHZ+/-1KHZ Power Supply: 6 x 1.5V AA Alkaline Batteries (Not Included) Audio Frequency: 294Hz(re) 330Hz(me) 349HZ(fa) 392Hz(so) 440Hz(la) 494Hz(ti) 523Hz(do) Detection Indication: LCD Analogue Display Mode, Audio Mode Sensitivity: Applicable for detecting gold, silver, aluminum, copper, iron, and rare metals. Application: Testing metal foreign body of raw materials, fuel and food, Detection of underground pipeline & line, Archaeology, Exploration, Found buried treasures of gold, silver and metal artifacts. Operating Temperature: -20～60℃ / -4～140℉ Storage Temperature: -30～60℃ / -22～140℉ Item Size: 120 * 34.5 * 15cm / 47.24 * 13.58 * 5.91in Item Weight: 1.04kg / 2.29 lb Package Size: 56 * 19 * 16cm / 22.05 * 7.48 * 6.30in Package Weight: 1.71kg / 3.77 lb Package List: 1 * Metal Detector Main Unit 1 * Extension Aluminum Tube 1 * Armrest 1 * Connecting Rod 1 * Headphone 1 * User Manual
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