FunctionMultifunctional automatic door closer, automatically closes all doors. Not only saves your time, but also prevents mosquitoes, mice, cockroaches, etc. from entering the room if you forget to close the door.Automatic Sensor Multifunctional automatic door closer that automatically closes all doors. Silent and automatic closing, avoid standing and opening the door repeatedly while studying and working, to improve learning and work efficiency. The automatic door closer, through the strong pull wire, allows people to close the door.Quick InstallationThis punchfree automatic door closer uses holefree selfadhesive installation, after the door closer is pasted, the viscosity is very strong and does not fall off easily, easy to install and strong and will not damage the walls. and the installation of the left and right doors is no different, which is more convenient.Highquality materials Spring Door Closer The use of highquality ABS plastic shell and 304 stainless steel wire, oidation resistance, corrosion resistance, high and low temperature resistance, long service life.Wide range of applicationsOur automatic door closer is suitable for most doors such as armored doors, sliding doors, armored doors, security doors, doors with slightly stronger closing force, etc. bathrooms, etc.