- Constructed from high-quality stainless steel, this automatic door closer is designed using an integrated molding method and a multi-channel assembly process, ensuring durability and strength. - The fully automatic closing feature simplifies daily life, providing reliable protection for your door and lock. - Non-handed design with adjustable tension allows for customization; easily adjust the closing speed to suit your specific environment with included screws for slow or fast closing. - Compatible with doors opening to the left or right, provided that the door frame and door are parallel. If the door frame is higher than the door, use wooden blocks or other materials to align them. - Suitable for doors weighing between 44 - 88 lbs (20 - 40 kg) and up to 1000 mm wide, with an opening angle of up to 150 degrees. Ideal for use in homes, offices, hotel rooms, and other indoor spaces. Be sure to measure your doors before installation. - Enjoy peace of mind with automatic closing and latching, which enhances safety and minimizes noise. No need to worry about family members leaving the house unattended or pets wandering into restricted areas.