Do you want to detect metal, gold and silver jewelry, coins and other metals underground? You can try this professional metal detector. Use this powerful and versatile underground metal detector to search everywhere for treasures and hunt for coins, relics, jewelry, gold and silver. It is also widely used in the detection of aluminum, copper and rare metals, and the hidden metal must be detected. Features: Ground Tuning and Recognition Mode - You can search for non-ferrous and ferrous metals using ground balance detection and recognition mode. Perfect for coin and jewelry detection, exploration, shallow water hunting, beach hunting, etc. Wide Application - Perfect for searching for metal objects, and hidden metal needs to be detected. Designed to Find Metal - Look for gold and silver jewelry, coins and other metals in the ground. Audible and visual alarm with LED light to indicate the target – you do not have to constantly observe the detector. When an object is detected, it will remind you of the beep. Lighting Function - Bright flashlight provides convenient measurement in the dark. Adjustable Metal Detector Height - Easily adjust the height of the detector for convenient use. Headphone jack — designed to connect headphones. You can use both stereo and mono headphones. Technical data: Material: ABS plastic; Memory clock speed Depth of detection: 1,8m/5,9ft Metal size can be measured: metal board 50*50*1.2 cm; Min. Detection Diameter: 3,5 cm/1,38 inch Detect objects: non-ferrous metal and ferrous metal Detection mode: balance/ground recognition Main Frequency: 3.68 MHz Operating Frequency: 7.2 KHz Charging Voltage: DC5V Power Dissipation: ≤1W Tuning: Adjustable Control: power switch Power supply: 1*4.2 V 2000 mAh rechargeable lithium-ion battery (built-in) Detection indication: audible and visual alarm with LED light Indicator light: power/low battery indicator light Search coil diameter: 300mm / 11,81inch Adjustable detector height: 102-123 cm / 40.16-48.43 inch Application: study of foreign metal bodies in raw materials, fuel and food; detection of underground pipelines and lines, archaeology, exploration, buried treasures of gold, silver and metal artifacts. Other functions: low battery indicator, battery status indicator, flashlight; Operating temperature: 0～50℃ / 32～122℉ Storage temperature: -20～60 ℃ / -4～140℉ Metal Detector Size: 30 * 30 * 123 cm / 11,81 * 11,81 * 48,43 inch Metal Detector Weight: 860g / 30,34oz Package Weight: 1999g/4,41lb Package Size: 43 * 35 * 14,5 cm / 16,93 * 13,78 * 5,71 inch List of things to pack: 1 * controller unit 1 * Search Coil 2 * connecting rod 1 * armrest rod; 1 * Headphones 1 * USB cable 1 * bag with accessories! 1 * manual (English)