MD1008A Underground Metal Detector Children Toy Detector with LCD Screen, Measuring Range: 10cm Features: 1. Two alarm modes: sound + pointer 2. Volume adjustment: adjust the volume of the speaker 3. LCD liquid crystal display: display the battery status and whether the target is found 4. Waterproof detection disk: metal detector can be used in shallow water 5. Sensitivity adjustment: sensitivity can be adjusted during detection Application: 1. Search for metal objects buried underground. You can find coins, ruins, jewelry, gold and silver ornaments everywhere. Widely used in security inspection, outdoor treasure hunt, metal inspection, etc. 2. This detector is universal and very easy to use 3. Popular science toys, suitable for parent-child interaction Specifications: 1. Power supply: 1 x 9V (6F22) 2. Frequency: 5.0KHz 3. Current: static is 10mA, up to 70mA 4. Voltage: 7.2-9.6V 5. Sensitivity: US 25 Cent: 130mm 6. Display mode: mechanical pointer mode 7. Weight: 600g 8. Length: 27.55 inches 9. Probe diameter: 6.69 inches