Precise Control: Achieve precise control over the closing process with this shower curtain automatic door closer. Its stable and uniform pullback performance ensures safety by preventing quick swings and eliminates safety hazards from loosely closed doors. Stable Closing: Experience the highlight of this automatic door closer with its unique constant return force design. Say goodbye to uneven return forces seen in traditional closers as this product maintains a stable and even pull-back state throughout the closing process. Strong Pulling Force: Benefit from the new upgraded strong pulling force of this shower curtain closer. Whether for home doors, curtains, or shower curtains, it guarantees stable closure. The solid steel wire construction can endure long-term and high-frequency use without compromising performance. Easy Installation: Simplify your installation process with included super glue and screws. Choose the installation method that suits your door material, usage scenarios, and personal preferences. Enjoy hassle-free setup to start experiencing the convenience of this automatic door closer. Wide Applications: Versatile and adaptable, this automatic closing/opening curtain suits various settings including residences, offices, hotels, shopping malls, schools, and public places. Enhance your daily life and work environments with added convenience and comfort using this reliable product. Item Name: Door Closer Material: Plastic, Steel Wire Longest Drawstring: 120cm A (400 Tension, Light And Smooth Small Windows And Cabinet Doors) B (500 Tension, Light And Smooth Sliding Doors) C (800 Tension, Small Metal Security Door) D (1000 Tension, Large Iron Door, Windows) E (1200 Tension, Heavy-duty Doors And Windows) Features: with Steel Wire, Punch Free, Adjustable Size Details: Size: 6.5cm x 6.5cm x 1.7cm/2.56" x 2.56" x 0.67" (Approx.) Notes: 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. Tips: The attached sticky hook is only applicable to indoor smooth doors and Windows, and the rest need to be fixed and installed according to the actual situation Package Includes: 1 x Door Closer 1 x Hook