. Particularly suitable for the upper protection of stairs: no frame, no trip hazard. Active-Lock: press safety buttons at the same time, open the handle, lift the door element, open. Can be operated with one hand, yet particularly child-safe. door gate / stair gate remains open until you close it for added comfort International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.