This item is a door closer, weight about 75kg. Two regulation, installation is not about. Can be according to the requirement of 90 °. Suitable for unidirectional door with maximum door width of 800mm-1200mm Features - Color: Silver. - Material: Stainless steel - Size: About 25x8x8cm - Pitch-row: 188x19 mm - range: door closing of 180-15 degrees, lock of 15-0 degrees. - 90 degree door stop function: when the door opens to 90 degrees, the door can be maintained in a stop state. - Door closing and lock can be continuously adjustable: from 90 degrees to close the can be adjusted to less than 3 seconds. Slow closing more than . - function: after opening the door more than 65 degrees, the door closer can produce a certain damping force, to avoid the door opening force is too large, too to hit the wall, and its damping force is adjustable. - Delay closing function: between 180-65 degrees, the factory is set to 20 seconds, can be easily adjusted to at 1 second, convenient for the elderly, disabled access. Package list: 1 Closer