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: Colour:White Material:ABS Size:6.3x6.3x1.8cm Package Contents: 2 * automatic door closer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.