How to use your old Android smartphone as security camera?

We all have an old smartphone in our house which we don't use due to old software, poor performance or less ram, etc. To convert your old smartphone into a security camera.

Prerequisites: an old smartphone with a working camera

• Now grab the old smartphone and install Alfred camera app in it.

• Make sure you install the same app on your current smartphone.

• The current smartphone acts as a display.

• After installing the app set up the app according to given instructions in both the devices.

• Make sure they both are connected to the internet.

• Now set the option on a current smartphone as a viewer and in older smartphone as a camera.

• That's it now you have converted your smartphone as a security camera.

NOTE: you need to connect the charger to the smartphone all the time.