A latch assembly and locking or unlocking a vehicle striker mechanism of the boot lid is introduced. The housing is mounted to the vehicle body rear portion, the striker piece is as provided with a striker corresponding to the latch assembly rotatably connected to the housing, the drive motor is equipped with a rotary shaft mounted to the housing, the power transmission means of the striker mechanism is rotated and transmitting the rotational motion of the shaft into reciprocating striker convenience, the controller applies an operation signal to the drive motor. ; A striker, the latch assembly, the drive motor, the controller
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