I bought it to inflate the expansion tank in the boiler room, the kids' bikes, and balls. A lot of plastic. I have used more efficient ones, but considering its price and for occasional use, it's ok; I wouldn't inflate anything bigger than a moped - scooter tire in an emergency. I used it once to inflate an 18lt expansion tank in the boiler room from 0.8 bar to 1.5 bar. It took quite a bit of work. Compared to a quality, certified, and accurate electronic manometer with 3 decimal digits, the gauge on my pump reads +0.7 bar. When the expansion tank had 1.5 bar according to the electronic manometer, the needle on the pump's gauge was between 2.1 and 2.2 bar

Positives:
Very good manometer! Accurate measurements! Easy to use! Inflates everything!
Negatives:
After 2 years, without excessive use, the cylinders started to leak a little oil and gradually it stopped inflating.

update: with a little wd-40 inside the cylinders and a bit of pumping, it started inflating normally again. I hope it lasts and doesn't need this all the time.

The first time I tried to inflate a soccer ball, one of the bottles broke. It doesn't inflate anything... Maybe the material was defective, I don't know.... While it seems to be sturdy construction, it unfortunately disappointed me

Quite a good foot pump, I mainly use it for bicycles and it works great. Its gauge is relatively reliable but promises more than what the pump can actually do. For example, the gauge optimistically reaches up to 160 psi, but after 100 psi, the pump starts to struggle a lot. For instance, to reach a tire pressure of 105 psi, it takes around 300 strokes with the pump.

Apart from that, it is very good and reliable, especially considering its price.

It is efficient and convenient in pressure. It has plastic at the bottom and it is not heavy.
Also, the measurement should be 0.5 bar lower and there are small losses in unlocking.
It rarely gets stuck.

Good construction, I just expected it to be more powerful because it took a lot of pumping to inflate a car tire due to the 2 bottles

Beautiful, stable, easy even with one hand, it has all the accessories together and you don't need to search for an adapter. It locks. The only one that has plastic on the legs and doesn't scratch the tiles.