Assalamu Alaikum , brother, Your post is really nice and informative.
You have presented the topic about the voltage alert device in a very simple and practical way, which is easy to understand even for beginners.

As this device is cheap, its effectiveness and safety are very important—especially for many electricians or hobby-level electrical workers in our country. You bought it directly from Nawabpur and shared it with reviews; it was a very practical experience.

I would like to see more such practical tool reviews and electrical tutorials from you, InshaAllah.