There are two versions of parental control: 80 flat and 90 right angles. 80 flat is suitable for all types of trains and drawers with frames, and 90 right angles are suitable for single trains and drawers without frames. Easy installation and disassembly: no stamping, 3M glue installation, 3M glue large contact surface, no uncertainty. If you no longer need protection, it is recommended that you use heien fhn to heat the parental monitoring rnd. Then, you can easily remove them and keep your donuts as good as new. . Safe and not dangerous: Our parent monitor has rounded edges, so children will not be harmed by sharp edges. Parents should control fr childrens sensitive substances such as heavy metals and BPA. . reusable: If you want to reinstall parental control, just replace it with a new 3M adhesive and reinstall it. S7-1200 programmable controller