When people travel by plane, they are often very concerned about whether their luggage will be overweight. The luggage scale using ordinary dry batteries sometimes suddenly prompts the embarrassing situation of insufficient power. The scale is brought, but it can't weigh.
Environmental protection self-generating luggage scale, small size, easy to carry. And no battery is required. The handle can be rotated and stored. The rotation of the handle will drive the internal generator to generate electricity. Only the handle needs to be rotated several times, and the generated electricity can be maintained for weighing for 3 minutes. Do have electricity at any time, can use at any time.

Turn the handle to generate electricity.

Smaller than a slap

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