Feature: 1. Powerful Core: The product has the strongest core, powerful intelligent modular operation functions, convenience, speed efficiency, easy and fast to advanced and efficient. 2. High Sensitivity: The underground metal detector has excellent sensitivity and stability, can sense detection quickly, and has stable performance. 3. Precise Detection: This type of equipment has a premium remote search system and a precise positioning detection system, which breaks through the traditional detection method. 4. Microcomputer Control: Using microcomputer to control chip unit calibration, the instrument and self inspection system can be scanned and inspected quickly and easily, which greatly improves the work efficiency of earth treasure enthusiasts and reduces the labor strength of inspection. 5. Economical Equipment: This equipment is the most advanced and practical detection method and economical metal detection instrument. Specification: Item Type: Metal Detector Material: Aluminum Gross Weight: 2873g / 101.3oz Color: Blue Voltage: 100-240V Product Size: Host: Approx.32 x 16.5cm / 12.6 x 6.5in, Accessory Size: Approx.11.5 x 7.5cm / 4.5 x 3.0in Range: 1000 meters Depth: 20 meters Host Battery (delivered with built in battery): NimH rechargeable battery, AAA, 1600MAH Emitter Accessory Battery (delivered with built in battery): NimH rechargeable battery, AAA, 1200MAH Transmission Frequency: 5.6-6KHZ Signal Frequency: 360-440Hz Detection Type: gold, silver, copper Charging Time: 10-12 hours Purpose: Metal search Working Status: 1. When fully charged, turn on the host detector and the switch of the sensor, after pressing the button corresponding to the item to be detected by the sensor, adjust the depth and range search function of the host detector to detect; 2. When the hand is held smoothly and without other interference, it will sway from side to side when detecting the specified detected item, and the amplitude of sway action will increase when the detected item is larger;. Package List: 1 x Storage Box1 x Host1 x Transmitter Accessory1 x Plug Power Supply1 x English Manual Note: Be sure to operate strictly and maintain a good stability in the wild jungle environment without interference