Widely Use - Perfect for finding metal objects and anywhere that 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 - o 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: 6.10inch Detect Objects: Metal(Iron nail, iron covering, aluminum ring, small aluminum product, coins, gold, bronze, silver) Detection Mode: All Metal Operating Frequency: 55.2KHZ Operating Current: Standby 20mA, Max 70mA Operating Voltage Range: 7V-9V Detection Indication: LCD Display, Sound Mode Sensitivity: One Coin: 10mm, Stepless Adjustable Detection 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 Detection Operating Temperature: -15-45 / 5-113 Storage Temperature: -20-60 / -4-140 Shovel Size: 32 * 9cm / 12.60 * 3.54in Item Size: 19 * 15.5 * 67cm / 7.48 * 6.10 * 26.38in Item Weight: 570g / 20.11oz Note: The search coil is waterproof, but the control housing is not waterproof. colour:black Material:Metal + plastic Package Contents: 1 * Metal Detector Main Unit with Search Coil 1 * Connecting Rod 1 * Armrest 1 * Shovel 1 * User Manual Only the above package content, other products are not included. Note: Light shooting 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.