Feature:1. Good Detecting: This portable can effectively detect coin, jewelry, gold, silver ornament and so on, ideal for inspection, searching, etc.2. Reliable Works: Equipped with waterproof search coil, the pinpointer also enables easy operation for convenient using and more fun as well.3. Easy Adjusting: Allows for flexible length adjustment, the metal finder suits perfectly for both kids and adults of all ages, very useful.4. Happy Learning: Through the exploration and search, children and students can better understand the nature through their own practice.5. Ideal Present: Moreover, you can give the coin finder as a great present to your family and friends for birthday, anniversary and more.Specification:Item Type: Metal DetectorBattery: 1 x 9V 6F22 battery, shipped without battery. Current: 30MASensitivity: Approx. 5cm 1cm / 1.97in 0.39inFrequency: 3KHzPower: 270mWTemperature Range: - 20 ~ 60.Package List:1 x Base with Connector1 x Middle Connector1 x Handle1 x User Manual