1. Widely used to find metal objects and the need to detect hidden metal places 2. Easy to use operation, children can also use, enhance the interest of children and students to detect nature 3. Detection instructions: audio alarm and LCD display 4. Waterproof search coil, can be used in shallow water 5. Material: ABS plastic 6. Detection objects: metal (nails, iron, aluminum rings, small aluminum products, coins, gold, copper, silver) 7. Probe indication: LCD display, sound mode 8. Frequency: 3KHz 9. Current: 30mA 10. Power: 270mW 11. Sensitivity: about 5-7cm (coins) 12. Power supply: 1 x 9V battery (not included) 13. Detection depth: 12-100cm 14. Diameter of the probe plate: about 6 inches 15. Weight: about 500g
