Color: Left hand brown, white, size: 220 x 38 x 25 mm, as shown in the picture, load: 80 kg. Slow down the door closing speed, reduce the door closing noise, avoid pinching your hands, and automatically close the door when the door closing angle is less than 15 ° Made of aluminum + plastic, built-in spring structure, damping buffer, rotation can adjust the damping force The length of the wall can be adjusted, suitable for different types of doors, such as room doors, bedrooms and various wooden doors. Please confirm the left and right before purchasing Easy to install, there are two installation methods: external installation/internal installation, the operation can be completed after 4 steps, and the practicability is extremely strong.