General description The Spring Door Closer is designed for household use, featuring an aluminum alloy housing and nickel-plated steel parts. This adjustable surface mount automatic door closer is suitable for various environments, including homes, offices, and hotel rooms. It comes in a convenient 2-pack. Technical specifications Material: Aluminum alloy housing with nickel-plated steel parts Maximum door weight: 45 kg Maximum door width: ≤ 1000 mm Maximum door opening angle: up to 150° Height difference between door frame and door: less than 5 cm Installation Easy to install with a metal bracket featuring a nickel-plated surface If the door frame is too high, use material to raise the bracket so it is parallel to the door frame Usage Ensure the door opens and closes naturally without excessive resistance Spring tension can be adjusted within a certain range for optimal performance