Widely Use - Perfect for finding metal objects and anywhere that hidden metal needs to be detected.Designed to Find Metal - Search gold and silver jewelry, coins and other metal in the ground.Easy-to-use Operation - This metal detector is tailor-made for inexperienced metal finder and suitable for children.Adjustable Sensitivity - Easy to control the detector's sensitivity level with sensitive control.Adjustable Volume - Adjust the volume level of speaker when searching to find missing or lost coins, pieces of jewellery and other metal objects.Detection Indication - Audio alert and LCD display indicate the detection of metal.Waterproof Search Coil - You can use the metal detector in the shallow water with waterproof search coil.Detector Diameter: 6.10inchDetect Objects: Metal(Iron nail, iron covering, aluminum ring, small aluminum product, coins, gold, bronze, silver)Detection Mode: All MetalOperating Frequency: 55.2KHZOperating Current: Standby 20mA, Max 70mAOperating Voltage Range: 7V-9VDetection Indication: LCD Display, Sound ModeSensitivity: One Coin: 10mm, Stepless AdjustableDetection Depth: 10-100cm (Depends on the target area you detect)Battery: 1 * 6F22 9V Battery (Not Included)Application: Looking for Coins, Silver and Gold, Detecting All Kinds of Metal, Scientific Education, Parents-and-Kids Activity, Simple Metal DetectionOperating Temperature: -15-45 / 5-113Storage Temperature: -20-60 / -4-140Shovel Size: 32 * 9cm / 12.60 * 3.54inItem Size: 19 * 15.5 * 67cm / 7.48 * 6.10 * 26.38inItem Weight: 570g / 20.11ozNote: The search coil is waterproof, but the control housing is not waterproof.colour:blackMaterial:Metal + plasticPackage Contents:1 * Metal Detector Main Unit with Search Coil1 * Connecting Rod1 * Armrest1 * Shovel1 * User ManualOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.