Color as shown Size: 1*1*1CM weighter:100g Function:Multifunctional automatic door closer,automatically close all doors. Not only save your time, but also prevent mosquitoes, mice, cockroaches, etc. to enter the room forgetting 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 rope, allows people to close the door. Quick installation: This punch-free automatic door closer adopts no-hole adhesive installation, after the door closer is pasted, the viscosity is very strong and not easy to fall off, easy to install and strong and will not damage the walls. and the left and right door installation is no different, which is more convenient. High-quality materials:Spring Door Closer The use of high-quality ABS plastic shell and a 304 stainless steel drawstring, oxidation resistance, corrosion resistance, high and low temperature resistance, long service life. Wide range of applications: Our 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. bathroom, etc