Specifications:

• Battery Included: No
• Certification: None
• Dimensions: 50x50mm
• Dimensions: 50x50mm(1.97x1.97in)(approx)
• Feature 1: suit for magnetic surfaces with any degree of convexity or concavity.
• Feature 2: And it help us study magnetic fields that we can'for t see.
• Hign-concerned Chemical: None
• Origin: Mainland China
• Unit Type: piece
• Package Weight: 0.033kg (0.07lb.)
• Package Size: 30cm x 20cm x 10cm (11.81in x 7.87in x 3.94in)