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Electromagnetic DIY Kit Technology Production Coil DIY Kit
Specifications:
- colour: as shown
- Material: ABS
- Origin: CN(Origin)
- Product parameters: 4.5V (3 AA batteries)
- Range: 68 meters
- Size: 10x6x3cm
- Certification: NONE
- Free shipping
- 100 days returns
- Low prices
- 5 million products