Description: 1. Multifunctional automatic door closer, automatically close all doors. Very suitable for home use, light office use, shed, ranch, and home office 2. Anti-oxidation, anti-corrosion, no rust, stable, wear-resistant, weather-proof, hydraulics, quiet, safe shut-off device. 3. Quick Install: Hole-free adhesive installation, good firmness, does not damage the wall, easy installation, high-temperature resistance. 4. 50,000 Tests: The high-quality steel wire rope has passed 50,000 times of tensile test and rebound test, with strong tensile force. 5. 800G Pull: Suitable for doors, or doors with a slightly stronger closing force. Doors that open left and right, wooden and metal doors, residential and commercial doors, exterior/inner door closers, fire doors. Specification: Name: Automatic door closer Material: ABS Product Size: 40x40x15mm Colour: Black Package Contents: Automatic Door Closer x 1 Note: There may be slight differences in color due to different monitors and shooting. The size is manually measured, please allow 1~2cm error.