Automatic Door Closer, Stainless Steel Closing Controller for Residential Commercial Use,Adjustable Speed System

• 【Advanced door closer】- customer quality certification, 500,000 times switch experiment, bearing 20-35kg(45-77lb), Perfect for light doors in homes or businesses, Silent door opening and closing,very cost-effective spring door closer. • 【High Quality Product】- Smooth silver surface, fashionable and warm, high-quality carbon steel spring, wear-resistant, long service life, can withstand more than 500,000 times opening and closing, heavy-duty foldable design. • 【Easy to install】 - highly human design installation guide, clear and easy to understand, easy to install, save time for you and your family. • 【Adjustable speed】- Easily adjust the tension of this safety spring door closer, and control the door closing speed at any time to adapt to your rhythm of life. You have been equipped with a suitable screwdriver. • 【Stay Safe】- Automatic door closer enjoy automatic closing and latching, maintaining quiet and security.