Easy to use, with an English user manual.
Effective distance: 75 feet outdoors without a barrier.
Battery: Cr2032 lithium button battery (included), works almost half a year.
It can easily track lost and valuable things, such as keys, handbags, pets, phones, etc.
100% refund guarantee, if you are not satisfied with our product, we can fully refund. If you have any problem, please do not hesitate to contact us.