They have made flashing lights for the people with hearing loss for a long Time. Should not be to hard to find at Amazon or a site that specializes in products for the deaf.

I have security cameras by Wyze with the service they can send alerts to your phone, and set your phone to give an alert.

Cheap cameras work pretty well good pictures with new V3 HD, Set it for People, motion or both alerts. I caught someone making a visit to my home when I was away. Tracked his ass down with some work and now the po po wish to talk to him. Crossed state lines, so I had to track him myself.

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Can't have that

Forget Plastics, invest in Vasoline