AUTOMATICALLY CLOSE ALL DOORS: 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 with l&t Tools QUALITY: The durable-quality steel wire rope has passed with strong tensile force. EASY TO USE: Punch-free Automatic Sensor Door Closer, Hole-free adhesive installation,good firmness,does not damage the wall,easy installation,high-temperature resistance. DURABLE: Anti-oxidation, anti-corrosion, stable, wear-resistant, weather-proof, hydraulics, safe shut-off device.MATERIAL: ABS plastic,steel wire rope rebound test with strong 800G Pull (800 Grams tension), can be equipped with various portsMultifunctional automatic door closer, automatically close all doors. Hole-free adhesive installation, good firmness, does not damage the wall, easy installation, high-temperature resistance.