Mclear Wireless Door Window Security Burglar 105 Decibel Door Bell with Magnetic Sensor for Home Office (White)

Product looks old and diffected

I received product by private courier. I received damaged product. And it's one use product because I can't replace battery if its drain , it's not like image shown in website. Their was no cap to open and replace battery in front of the product . Sound quality is 80% ok .

It's very good