... 倒車警报器／Car Reverse Alarm 超速警报器／Speed Warning Device 钥匙圈／Key Chain ...
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The utility model provides a slow-speed warning device for a vehicle, when a vehicle moves at a slow speed, rear coming vehicles can be warned automatically by light signals.
本实用新型提供一种车辆慢速警示装置，车辆在慢速行进时，可自动以灯号警示后方来车。
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