General description This Automatic Door Closer is designed for convenience and durability. It features an adjustable tension mechanism that allows you to customize the closing force, ensuring a comfortable and efficient door closing experience. Made from high-quality zinc alloy and stainless steel, this door closer is rust-proof and corrosion-resistant, making it a reliable choice for various environments. Technical specifications Dimensions: 6.5 x 4.9 x 1.2 inches Weight capacity: 20-40 kg Maximum door width: 1000 mm Usage This door closer is suitable for both left and right-handed doors, making it versatile for home use, hotels, offices, and dormitories. It effectively prevents doors from being left open, ensuring they close automatically.