Are you looking for gold and silver jewelry,and other metals with your children? try it. Using this kids metal detector, you can search for coins, coins, goldand other metals with your kids, and you can also search for coins. Function: Widely used - very suitable for finding metal objects and anywhere you need to find hidden metals. Try to find metals, search for gold and silver jewelry,and other metals. Easy to use, this metal detector is designed for less experienced child detectors. The sensitivity of the adjustable control device, through the sensitive control device, can easily reach the sensitivity level of the detector. Adjustable volume - When looking for lost or missing coins, jewelry and other metal items, please adjust the speaker volume. Audio alarm detection indication and LCD display indicate that metal has been detected. Waterproof Search Coil - You can use the shallow water metal detector with the waterproof search coil. Specifications: Color: black Material: ABS plastic Detector diameter: 6.10 inches Detection objects: metals (hell claws, iron sheets, aluminum rings, small aluminum products, coins, gold, copper, silver) Detection method: any metal Working frequency: 55.2 KHZ Working current: standby 20mA, maximum 70mA Operating voltage range: 7 V-9 V Test instructions: LCD display, modes on Sensitivity: one piece: 10 mm, adjustable length Detection depth: 10-100cm (depending on the target area to be detected) Battery: 1 * 6F229V battery (not included) Applications: finding coins, silver and gold, detecting various metals, teaching science , parent-child activities, simple metal detection operating temperature: -15 ~ 45 / 5 ~ 113 Storage temperature: -20 ~ 60 / -4 ~ 140 Product size: 19 * 15.5 * 67cm / 7.48 * 6.10 * 26.38inch Product weight: 390 grams / 13.74 ounces Package size: 40 * 18.5 * 6.5cm / 15.75 * 7.28 * 2.56inch Package weight: 555 grams / 19.54 ounces Note: The search coil is waterproof, but the control box is not. Speaker: 1 * metal detector host with detector coil 1 * connecting rod 1 * handrail 1 * User manual