Metal Detector Gold Finder Underground 15m Deep 2D Metal Scanner Location Machine Search Range 1000m Item Type: Underground Large Scale Long Range 2D Gold Silver Metal Detector Material: ABS Gross Weight: 3200g / 112.9oz Search System: microcomputer CPU converter and reflection conductivity Search Range: 1000m Detection Depth: 15m 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 Working Status: 1. When fully charged, open the host detector, pull out the antenna, and turn on the switch. 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; Boot Test: Open the switch of the host and the search instrument, the work indicator light on the search instrument will flash; when selecting gold gear on the host, the corresponding gold indicator light on the search instrument will light up, and when selecting other silver gear on the host in turn, the corresponding indicator light on the search instrument will light up. If the host selection gear, and the corresponding indicator light on the search instrument is not on, the host and the search instrument may be insufficient electricity, need to charge. If the above conditions are normal, it means that the instrument is normal and can be safely used.