Description: High Sensitivity Metal Detector: This handheld metal detector for children is great for outdoor treasure hunting. It operates on a signal frequency of 3.1KHz+/-1KHz and has a sensitivity range of 100-120mm for US 25 Cent.Power and Current: The gold detector requires a 9V to operate, with a static current of 41.89mA and maximum current of 86.45mA.Lightweight and Portable: With its lightweight design, this Gold Finder can be easily carried around during your outdoor adventures. It's ideal for use in fields, grasslands, and other open areas.Adjustable Design: The detection features a rotating probe plate, an extendable rod, and an anti slip handle for easy handling. It comes in three sizes suitable for different age groups.Material & Package Contents:This gold detector device is made from reusable pp material that ensures long lasting use. Each package includes a metal detector and an English instruction manual. Specification: Material: PPSignal Frequency: 3.1 KHz+/-1 KHzCurrent: Static Current: 41.89 mA Maximum Current: 86.45 mAVoltage: 8.1 V - 9 VSensitivity: US 25 Cent: 100 mm - 120 mmDisplay mode: Mechanical pointer mode Size Chart: Diameter: 17 cm / 6.69 inchHeight (Adjustable): 46.5 cm / 18.31 inch for ages 6-8;64. 5 cm / 6.69 inch for ages 8-12; 84 cm / 6.69 inch for ages above 12 Package Includes: 1 Metal Detector 1 English instruction manual Note: Please allow slightly errors 1-2cm differences due to manual measurement.