Marie Automatic Door ClosersProduct quality, exceeds your expection.The hydraulic door closer is developed by German design team and produced with high-quality materials. Manufactured in accordance with EU production standardsDoor closer is equipped with a detailed installation manual and installation video, no need to worry about installationIf the door and door frame are NOT on the same plane and over 5 cm. With parallel plate About this itemHold Open Function:When the door opening range exceeds 90°, this door closer can keep the door stop at any angle range in 90°~180°Universal: Grade 2 spring door closer universal fit for 25-45 KG commercial doors, escape doors, security doors, fire doors and so onMaterial: Made of environmental aluminum alloy casting body, with built-in anti-external force device offer a protection for the door, door frame and door closer, ensuring durable in useAdjustable: Two independent valves to control the closing speed and the latching speed, Self regulate the mechanism to meet your needsQuality Warranty: Over 500,000 times open and close testing, at least 96 hours salt spray corrosion test, 101% inspection. Recommended Uses For Product‎Residential and commercial, fire doors, exterior/interior doorsSpecification Met‎CE, ULUPC‎611532210074Manufacturer‎MARIEPart Number‎1102SItem Weight‎2.75 poundsPackage Dimensions‎10.63 x 7.52 x 3.9 inchesSize‎Size 2Item Package Quantity‎1Perfect for parents who has naughty kids like to push doors.Great for pet owners whose dogs like to push doors.Stop noise from slamming doors. Protection against Damage.