This small device is very useful to introduce a light heart when traveling to the airport. It is very easy to use and the measurement is very accurate. Even my youngest son n 'had no trouble understanding how it works: just make sure to position the device when lifting baggage: the weight must be completely distributed to avoid that one of the sides is unbalanced. This may distort the measurement. The camera takes only seconds to announce the final weight. Do not spoil this model is really pretty and it fits easily into a handbag, for example. I am absolutely satisfied for the time of such purchase. A now see the strength of this article in duration.