Automatic Door Closer, Stainless Steel Door Closing Controller for Residential Commercial Use,Adjustable Closing 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 products】- smooth silver surface, stylish without lack of warmth, high-quality carbon steel springs, wear-resistant, long life cycle, can withstand more than 500,000 opening and closing times, Heavy-duty foldable design, equipped with f, 【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.