... cannot stolen , if you put in the car ,can protection your car not stoledn if you put in the box ... stoledn ,because if some people shake your something such as car ,box ,home door ,,the other doll speak can say ... you4.the batter use 12V23A,no need change the car wire ,fit any product ,inform distanct is more ... than 500-1kmso if you drive your car go shopping ,dont worry ,because the 500-1km ...