The metal detector features operate with fun visual indicators, perfect for 's curiosity in treasure while distinguishing real finds from common object through playful learning This gold detector accurately differentiates metal types with adjustable sensitivity for targeted searches, enhanced by a backlit LCD screen showing operational modes Features an IP68 sealed 78 inch search coil for underwater at beaches or streams (control box remain dry), paired with a 35mm headphone port for easy operate in loud environments Boasts a telescopic (31-45in) and comfortable armrest for effortless handling across user heights, making prolonged treasure hunts enjoyable for both and adult beginners Ideal for beachcombing, archaeological surveys, and adventures with its lightweight ABS construction and professional functionality suited for hobbyists and junior explorers alike