1,Double Spring Structure: The automatic door closer is assembled by 2 springs. The spring is more powerful and powerful, and can suitable for all types of doors.2,Reduce Buffer Speed: The door closer can reduce the buffer speed when closing the door, which can effectively prevent the door from being damaged.3,Low Noise: This spring door closer can be opened and closed smoothly, and will only produce low noise when opening and closing, which bring you better use experience.4,Lightweight: The automatic door closer is light in weight and small in size, which does not take up too much space and will not affect home decoration.5,Metal Material: This mini automatic door closer is made of premium metal material, which is sturdy and has high strength, and can be used for a long time. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.