This is a multi-functional and easy-to-use safety gate. Steel gate (white) with extension frame. Easy to install♪ [Release function] The door stops and can be released when opened more than 90 degrees. [Auto-close] When the door is used at less than 90 degrees, the door automatically closes and locks. [One-handed open] You can easily release the lock and open the door with one hand. [Opens both ways] The door opens both forward and backward. [Double lock] Locks in two places, top and bottom. With the extension frame, it can be installed up to 91cm.