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. Water resistant 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