Applications: small and exquisite rotating door lever lock can be installed in the bedroom, study, kitchen, bathroom, toy room and window etc. to fully protect your child's safety. Easy to use: the children's door lever lock can be rotated 180 degrees with a button, and can be used for left and right doors. The only way to lock and unlock the lever lock is to press the movable button while turning the handle at the same time. The same applies to pets. Premium 3M adhesive: no drilling of tools and screws is required. Inntek security door lock can be installed with only one 3M adhesive backing. To remove, please heat the child-safe lock with hair dryer for approx. one minute and then gently peel off the adhesive. Environmentally friendly and non-toxic: the door handle lock is made of environmentally friendly ABS material and is safe and non-toxic. Do not use deformation, no fading. Designed for door handles, it is suitable for most door handles as well as for windows, cabinets, drawers etc. Keep away from danger: if the baby is curious to explore the house, it is easy to get injured by the door and drawers. Even the sharp instruments in the house are potentially dangerous. So you need to use the door handle lock to prevent your baby from getting close to danger.