Are you camping in nature again and want to know what the weather will be like? Don't have internet? No problem, the intelligent barometer tells you what the weather will be like.

Step 1: Place your smartphone on the floor and save the air pressure.

Step 2: Pick up your smartphone again and wait a while.

Step 3: Put your smartphone back in the same place.

-> Now you can see how and how much the weather is changing.