GPS 数字式速度跟踪器 Speedometer: 测速仪

GPS 速度计和里程表可测量任何交通工具的速度。
速度计利用 GPS 技术实时显示您的当前速度，并计算和显示您行程期间的平均速度和最大速度。

功能：
- 当前速度：在屏幕上实时显示您的速度。
- 平均速度：计算并显示行程期间的平均速度。
- 最大速度：记录并显示您达到的最高速度。
- 限速警报：允许您在超过指定速度限制时设置警告。
- 用户界面：设计简单、用户友好，数字大且易读，非常适合在旅途中查看。
- 单位首选项：根据您的偏好，选择公里每小时 (km/h) 或英里每小时 (mph) 或 m/s。
- 统计：查看您的行程统计数据。
- HUD 模式。

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