The diagram show how an LED (light emitting diode) flashlight works. Summerise the information by selecting and reporting the main features, and make comparisons where relevant.

The diagram illustrates the features inside an LED flashlight and some steps of how it works.

It is clear that

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there are 5 main components creating a flashlight working by the energy of the batteries,

as well as

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a

circuit

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used to control the power of it. As can be seen, the flash has a light bulb, a metal spring, and a flow of current

together with

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the batteries and metal switch contacts inside, all of which are covered by a plastic case. It

also

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includes a slide switch outside connecting to a

circuit

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in order to turn the light on and off. Regarding the operation, when the torch is switched on, the

circuit

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linking the metal switch contacts allows the flow of electricity created by the batteries to activate it.

By contrast

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, as the button is pushed to the off position, the

circuit

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then

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is broken and the line is separated, which results in the flashlight being turned off.