VK-20 Metal Detector The VK-20 metal detector retains all of the features of the VK-10, plus - LCD Display for Quick Target ID - Provides a numerical indication of the target's identity a low number represents a poor target, a high number indicates a high quality target Beach Mode - Allows detection in wet sand Continuous Visual Battery Check Technical DataCollapsed Length750mmDetection Frequency7.2KHzAudio Output500HzBattery Life15-20 Hours 'Further Manufacturer's Details (for this range)...The VK-20 metal detector retains all of the features of the VK-10, plus:
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