Features:
*Brand new and high quality
*Made of high quality material, strong and
*This item is easy to use. Just place the card on the of the magnetic material and it will display a patterned magnetic field.
* for personal or scientific research. It can help us study invisible magnetic fields.
*It can be used for quality control, product demonstration, reverse engineering, certification and educational purposes.
*Compact and portable, light weight and easy to carry.
*A great educational tool to stimulate our interest in science.
*The Magnetic Field Viewer is a -encapsulated film that allows the user to see static magnetic fields.
*Highly flexible film suitable for magnetic s with any convexity or cavity.

Specification:
*Name: Magnetic field observation film
*Size: 45*45mm
*Color: dark green
*Quantity: 1 piece

Package Included:
1 x magnetic field observer


Notes:
1. Due to various factors such as display brightness and light brightness, the actual color of the product may be slightly different from the website picture.
2. Please allow a slight deviation between the data and the manual measurement.

Payment must be completed within 5 days. If you have any problems about payment, please contact us via ebay message.

We only ship to confirmed ebay Order addresses. Please comfirm that your Order address is in line with your shipping address.

Please kindly note that the combined shipping is not provided because the shipping fee is calculated by weight. Also, the each additional item means exactly the the same color and size. 

It takes about 7-15 working days to US; about 10-30 working days to other countries. Transit time may be a little delayed because of the bad weather and customs inspection. If you do not receive your item within 30 working days since payment finished, please contact us immediately for further assistance.

We strive for 100% customer satisfaction! Positive Feedback is very important to us. If you have any questions, please feel free to contact us via "Ask seller a question" . We will reply your email within 24 working hours.