Feature: 1. Silent Switch: This door closer adopts hydraulic buffer technology, hydraulic silent, silent switch, with accessories, easy to install. 2. Preferable Material: This hydraulic door closer is made of cast aluminum, which is strong and stable, wear resistant and durable. 3. Adjustable Speed: The closing speed of this adjustable hydraulic door closer can be adjusted freely to meet different needs. 4. Embedded Installation: This commercial door closer adopts embedded installation, suitable for wooden doors, fire doors, etc. in hotels and guesthouses. 5. Safe and Seamless: Our hydraulic door closers close continuously and securely, ensuring successful door closing and preventing slamming. Specification: Item Type: Hydraulic Door Closer Material: Cast Aluminum Color: Silver White Applicable Scene: Indoor Wooden Door, Fire Door, Double Opening Wooden Door, Office Door Package List: 1 x Body 2 x Fixing Sheet 1 x Pulley Track 14 x Screws 2 x White Accessories 1 x Hex Wrench