MD1008A Children's Detector With your detector, you can explore coins, ruins, jewelry, gold and silver everywhere. This detector is versatile and very easy to use. application: Explore metal objects buried in the ground. Widely used in security inspections, outdoor treasure hunt, metal inspection and more. This product has passed CE FCC ROSH certification, and all major customers are welcome to consult. Specifications: 1. Power: 1 x 9V (6F22) 2. Frequency: 5.0 KHz 3. Current: Static: 10mA Maximum: 70mA 4. Voltage: 7.2-9.6V 5. Sensitivity: US 25 Cent: 130mm 6. Display mode: mechanical pointer mode