The door closer is made of quality stainless steel, spring operation, fully automatic closing, give you an easy and safe life, protect your door and lock. Quality stainless steel automatic door closer, hands-free design, adjustable tension, adjustable screws for slow or fast closing, choose your return closing speed to suit the environment in which the closer is placed. Suitable for doors that open to the left or right. Door frames and doors should be parallel. If the door frame is higher than the door, you need to use wood blocks or other materials to raise the bracket and parallel to the door frame. Door weight: 44-88 lbs, door width 44.1-88.2 lbs: 39.370 in, door opening angle up to 150. Suitable for home, office, hotel room doors, etc. For indoor use. Measure doors before ordering Keep quiet and safe: automatic closing and locking, keep quiet and safe. During your break, you don't have to worry about your family members escaping from home or your dogs and cats running into your room. Size: approximately 7.67 x 3.78 x 0.62 inches, 7.677 x 1.969 x 0.630 in, easy to install. _x000D_