Sculpted Scooter (Boxxed)

In the series, a scouter's primary purpose is to calculate the individual power level or ki concentration of biological characters by converting the readings into numbers. It is never explained what units of measure are used to read ki levels; Toriyama simply stated in an interview that it couldn't be done by conventional means.

Scouters also serve the purpose of gathering information about soldiers wearing it, and for interstellar communication, as seen between Raditz and Vegeta. They can also tell the location, along with the power level, of someone, as demonstrated when members of the World Trade Organization use scouters to hunt down enemies.

A scouter appears as a semi-transparent colored monocle that covers the left eye. The first scouter to be seen is the one Raditz wears in the first episode of Dragon Ball Z upon his arrival on Earth. The power level is given as a number without any units of measurement (5 for the farmer, 334 for Goku before he took his heavy clothes off, etc).

It is unknown what the color of the scouter means. The most frequently seen color is green, which is suggested to be a standard model, while alternate colors such as blue, red, and purple are suggested to be upgraded models. However, Zarbon's blue scouter broke after escalating to a reading of 22,000, while Dodoria's green scouter was suggested to be newer as it read a power level of 24,000 without exploding. It is possible that the colors may be attributed to the capacity of power each can read. It is also a possibility that the colors serve merely as an aesthetic.

Limitations

Though it is possible to sense others' ki without advanced machinery, as the Z Fighters do, scouters provide the ability to read power levels to less-trained fighters. Scouters do have some disadvantages, however. Their main drawback is that a trained person is capable of consciously lowering their ki (see Power Up), and can therefore fool scouter users into thinking they have a lower power level than their real level. Nappa rumors that is how Raditz was killed.

Another disadvantage is that scouters may explode on certain conditions. The reason for this is not mentioned explicitly in the anime or the manga, but the recorded cases have happened when the scouter is detecting a high power level, possibly overloading it. Dodoria suggested that it was a problem with older scouter models. Older models (such as Raditz's and Zarbon's) seem to explode when reading levels between 21,000 and 22,000. Newer models (such as Dodoria's and the ones used by the Ginyu Force) can read higher power levels without problems, at least up to 180,000, though their limits are not known. According to Daizenshuu 7, there are only two generations of scouters. The first generation ones explode when reading a power level over 22,000, something that is corrected in the improved second generation scouters.

It is also possible for scouters to give inaccurate readings, since Raditz believed his to be giving incorrect signals and going haywire when it read Gohan's power level at 710. (In that case, the reading was accurate.)

included:
- Advance av Radar;
- Animated texture;
- Sound;
- Custom color;

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