Sounds to me like a regular kitchen timer would work.
I have small timer bought from $1 store.
I set it for 10 minutes.
Push Start.
It buzzes 10 minutes later.
Push Stop.
Sounds to me like a regular kitchen timer would work.
I have small timer bought from $1 store.
I set it for 10 minutes.
Push Start.
It buzzes 10 minutes later.
Push Stop.