· ? [After-sales service]: If you have any problems during use, please feel free to contact us. We will provide you 24 hours of quality service and do our best to solve your problems. Note: When your car does not have a headrest bar, please buy this product carefully. · ? [150 ° Large Viewing Angle]: Car baby monitor with a camera kit equipped with a high-definition camera. You can install it under the headrest bar of the front or rear seat. We also recommend that you install the camera away from the position of the infant car seat to gain a greater perspective. · ? [Easy Installation]: It only comes with one camera, but it can monitor two / three children at the same time, and you can decide the installation location according to the children's direction. If the child faces the driver, it can be installed under the headrest bar in the driving position. If the child has his back to the driver, it can be installed under the headrest bar in the rear seat. · ? [Night Vision Function]: The car baby monitor has a night vision function, which can make the display screen more clear and bright. Even when driving at night, you can clearly see the images of the children in the back seat, helping you eliminate insecurity and worry. · ? [Safety and Durability]: Unlike other baby car rear view mirrors, the baby rear view camera kit can be attached to the center console of the car. You can watch the baby in the infant seat without turning your head. You can clearly observe the child's movement through the screen, which is especially helpful for mothers. It is certainly comforting.