Product Description: Punch-Free Automatic Sensor Door Closer Package Contains: It has 1 Piece of Door Closer Material: ABS Plastic Product Dimension(L X W X H in mm): 40 X 40 X 17 Features: -Multifunctional automatic door closer, automatically close all doors. -Hole-free adhesive installation, good firmness, does not damage the wall, easy installation, high-temperature resistance. -Anti-oxidation, anti-corrosion, no rust, stable, wear-resistant, weather-proof, hydraulics, quiet, safe shut-off device. -The high-quality steel wire rope has passed 50,000 times of tensile test and rebound test, with strong tensile force. -Very suitable for home use, light office use, shed, ranch, and home office! -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.