[Waterproof Search Coil] The waterproof metal detector works well in shallow water. It is a perfect beach metal detector so you can detect on beaches and streams. [Adjustable Detector] Easily control the sensitivity level of the detector to help you quickly find the target metal object. Even inexperienced, you can easily operate. Suitable for children. [Detection Indication] Audio alarm and LCD display indicate metal detection. Adjustable speaker volume when searching for lost or missing coins, jewelry and other metal items. [Wide Use] Great for finding metal objects and anywhere you need to detect hidden metal. Can search underground for gold and silver jewelry, coins and other metals. [Ideal Metal Detector Set] You will get 1 metal detector, 1 connecting rod, 1 handrail, 1 user manual. This metal detector set is not only perfect for travel, vacation, camping and outing, but also a great birthday, holiday and anniversary gift. Color: Black Material: ABS plastic Detector Diameter: 6.10 inches Detection Object: Metal (nails, iron, aluminum, small aluminum products, coins, gold, bronze, silver) Detection Mode: Full metal Operating Frequency: 55.2KHZ Operating Current: Standby 20mA, maximum 70mA Operating Voltage Range: 7V-9V Detection Indication: LCD display, sound mode Sensitivity: A coin: 10mm Detection Depth: 10-100cm (depending on your detection of the target area) Battery: 1 x 6F22 9V battery (not included) Applications: Find money, silver, gold, detection of various metals, science education, parent-child activities, simple metal detection Operating Temperature: -1545 / 5113 Storage Temperature: -2060 / -4140 Product Size: 19 x 15.5 x 67cm / 7.48 x 6.10 x 26.38in Product Weight: 390 grams / 13.74 ounces Notes: 1. Due to the difference between light and screen settings, the color of the item may differ slightly from the pictures. 2. Please allow for slight measurement deviations due to manual measurements. Parts List: 1 x Metal Detector 1 x Linkage 1 x Handrail 1 x User Manual