Feature:1. DETECTION RANGE: Specific types of metals can be identified through frequency regulators. The detection range reaches 1000 meters, and the underground detection depth reaches 20 meters.2. DETECTABLE METALS: This handheld metal detector is suitable for searching for treasures on a large range, detecting gold, silver, copper, etc., with simple operation and high efficiency.3. HIGH EFFICIENCY: The transmission frequency is 5.66KHz, and the signal frequency is 360440Hz. You can use metal detector to explore more places and improve the efficiency of hunters.4. MULTIPLE FUNCTIONS: This metal detector has a long range search system and a precise position detection system, increasing practicality. Has LCD display with red, yellow, and green backlight.5. BUILT IN BATTERY: High accuracy metal detector, equipped with belt controller, all equipped with built in rechargeable lithium battery, with a large capacity of 1000mAh, ensuring long term endurance.Specification:Item Type: Metal DetectorMaterial: Aluminum Alloy, ABSDetector Host Battery: NiCr Rechargeable Lithium Battery (Built in)Belt Controller Battery: NiCr Rechargeable Lithium Battery (Built in)Detector Host Battery Capacity: 1000mAhBelt Controller Battery Capacity: 1000mAhPlug: US Plug 100-240V x 2Screen: Graphic LCD Display (0.5x6cm)Screen Backlight: Red, Yellow, Green LEDControl Button: Manual Mode, Automatic SearchMaximum Detection Depth: Approx. 20m / 65.6ftMaximum Search Distance: Approx. 1000m / 3280.8ftTransmission Frequency: 5.6-6KHzSignal Frequency: 360-440HzOperating Temperature: 0-40 (32-104).Package List:1 x Transceiver Control Unit1 x Belt Controller2 x Adapter1 x Operation Video Disc1 x Disc Case1 x User Manual1 x Carrying Case