1. Material: 304 stainless steel + alloy + ABS 2. Screwed together with a number of strong stainless steel wire made of hard tugging constantly 3. The base is wider and thicker, close fit, solid installation 4. You can choose your own ventilation spacing 5. The size of window opening depends on the installation position: the larger the staggered distance, the smaller the window opening space 6. Hole-free design, easy installation with adhesive backing 7. Anti-cutting design to protect childrens safety at home 8. Wire rope length: 200mm 9. Weight: about 70g
