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safe --- car key / Instrument

safe --- car key
safe --- car key

As more and more vehicles,traffic accident was often happened by drunken driving. So, we are starting from the details of car key, let your car key have alcohol testing functional, when the owner have high alcohol content, the car key cannot be enabled, in addition, the car key will be provided to owner the distance of safe driving time. Waiting for alcohol content is qualified, the owner can enable the car key, the car can work. To avoid drunk driving.

University

hunan university

hunan university
chang sha, China

Design

hunan university

hunan university
chang sha, China