此通讯装置可方便使用者进行酒精测试。
The communication device is convenient to alcohol testing to users.
调整握把耦合于支撑架的一侧，以方便使用者操作。
The adjustment grip is coupled at one side of the stand in order to favor the user's operation.
设计可拆装电池结构，方便使用者自行维护和更换电池，增强续航能力。
The design of detachable battery makes its convenience for the users' self-maintenance and replacement of the battery.
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