With kids metal detectors you can hunt for coins, metal, jewelry, gold, silver and other metal objects everywhere. It is an ideal toy for children to learn about natural substances while going outside to play, student activities, outdoor adventure, etc. Easy installation, easy to control and use. Features: High sensitivity, perfect for finding metal objects and anywhere that hidden metal needs to be detected. Can be widely used for finding gold and silver jewelry, coins and other metal objects in the ground. With audible alert and LCD display indicates metal detection. Easy installation, easy to control and use. Powered by 1*9V battery (not included). With the shovel and rack, it's easy to help you dig up what your metal detector finds underground. Features : Material: ABS plastic Type: metal detector, metal detector with shovel and rack (optional) Frequency: 5.0KHz: 10mA (static state); Voltage 70mA (maximum): Sensitivity 7.2-9.6V: 25 cents: 130mm Power supply: 1 * 9V (6F22) battery (not included) 685 * 165mm / 26.97 * 6.50in Package size: 455 * 180 * 75mm / 17.91 * 7.09 * 2.95in Package weight: 617g / 1.36lb (metal detector) 837g / 1.85lb (with shovel and rack) 1 * Metal detector 1 * User manual 1 * Shovel 1 * rack