A tire pressure monitoring device and a tire pressure monitoring system for a vehicle

The utility model discloses a tire pressure monitoring device and a tire pressure monitoring system for a vehicle. The tire pressure monitoring device comprises: a tire pressure monitoring body; a valve mouth, having a first end and a second end respectively, the first end of the valve mouth being detachably connected to the tire pressure monitoring body; a dust cap, the dust cap being connected to the second end of the valve mouth. The technical scheme of this utility model improves the reliability of the tire pressure monitoring device applied to the vehicle.

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