Size: 50*33mm_x000D_ Material: PET self-adhesive functional film_x000D_ Functional life: 8 years_x000D_ Suitable range: mobile phones, digital cameras, camcorders, notebook computers and all kinds of small household appliances that use lithium-ion rechargeable batteries11. Effectively reduce electromagnetic fields: These anti-radiation stickers can effectively reduce the large amount of radiation exposure of many electronic devices, absorb electromagnetic fields and offset the harmful effects of electromagnetic field radiation generated by various electronic devices, thereby providing comprehensive protection for you and your family. 2_x000D_ 2. Working principle: These anti-radiation mobile phone stickers are made of anti-radiation film and negative ion film. The negative ions released can neutralize the positive ions produced by various electronic devices, thereby protecting our health from practical electromagnetic field radiation in life 3_x000D_ 3. Good adhesion: These radiation protection stickers are self-adhesive, easy to adhere to multiple smooth and clean surfaces such as metal, wood, glass, plastic, easy to paste and remove without leaving obvious residues. Good adhesion can serve you for a long time. 4_x000D_ 4. Applicable occasions: Widely used in your daily life, can be pasted on smart phones, computers, laptops, air conditioners, refrigerators, microwave ovens, printers, washing machines and other electronic equipment, easily convert radiation into other harmless forms without blocking the signal. 5_x000D_ 5. Sufficient quantity: You can get 10 anti-radiation stickers in this package. Each sticker is small and easy to carry, and the quantity is enough to meet your daily use and replacement.10*Radiation stickers