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The primary function of this device is to help drivers decelerate safely by informing them of existence of speed-guns in a form of voice, letters or signal sounds after sensing microwaves from the speed-guns 2 kilometers ahead. To reduce the number of car accidents caused from speeding, the device warns drivers to decelerate.
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The models vary on options.
The options are digital compass, voicing recorder, SWS(Safety Warning System) and so on.
SWS makes it possile to inform drivers of weather road conditions.
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