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1. Only one button(on-off), easy working, Green power LED and Red alarm LED, friendly hand grip.
2. One battery and power saving, ordinary alkaline batteries for the machine continue to work 45 hours.
3. High sensitivity--according to our test, the pin can be detected within 60mm and 1 RMB coin can be detected within 140mm.
4. Low price and comfortable color.
5. Light and portable.
6. This item has passed CE certification.
7. As a new-design toys, it can develop kids` practical skill and observation skill.
8. If you are a treasure hunter, you could buy a metal detector for your kid, then you can go to beach together to have a fun.