3 small but "cool" items that help make your home safer

From self-powered doorbells to door sensors and panic buttons, these three compact gadgets are in high demand for their convenience.

The self-powered doorbell is the first one that surprises everyone because it works without batteries.

Each time it is pressed, the mechanical mechanism generates electricity that transmits a signal to a receiver in the house, causing the bell to ring immediately.

The Xiaomi Mijia Linptech bell model has a transmission range of 50 meters, 36 ringtones and 5 different volume levels.

If you choose the Wi-Fi version, you can also voice control or automatically activate other smart devices.

The Sonoff DW2-RF door sensor "scores" in its ability to notify when the door is opened in real time, sending notifications immediately to the phone.

The device uses AAA batteries that last up to 2 years, connects stably via RF Bridge, and allows for 3 months of history review.

Meanwhile, the SOS-05W emergency button is a safe solution for families with the elderly or young children.

With just one button, the warning signal is immediately sent to the phone via Wi-Fi 6, giving every member more peace of mind every day.

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