About this project Protect your baby: when the baby is curious to explore the house, it is easy to be injured by the door and drawers. So you need to use the door handle lock to prevent your baby from getting close to danger. The double safety lock cannot be opened for babies, for parents. For windows and doors of all kinds: Designed for door handles, it is suitable for most door handles as well as for windows, cupboards, drawers etc. to completely protect your child"s safety. Fast fuse and release 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. Strong adhesive: high-quality adhesive on the back of the door handle lock, which sticks firmly to the side of the door handle and is highly viscosity. When removing the adhesive, it can be completely removed by heating with hot air. Easy to use: the children"s door lever lock can be rotated 180 degrees with button, and can be used for left and right doors. The only way to lock and unlock the lever lock is to press the moving knob while turning the handle at the same time. Product Child safety window - safety first. Two-push button system: this baby safety lock makes it difficult for babies and pets to open the door, but adults can still have easy access by simply moving the lever. Residue-free removal: If you no longer need the window and door lock, you can remove it without leaving any residue. Notes: If your child grows up and you no longer need this door lock simply remove the lock and the remaining adhesive can be removed with alcohol or an adhesive remover. Will not damage the door. Suitable for: Window. Room doors of all kinds patio door front door. How to use it 1.Rub off the adhesive on the riick side of the door handle lock. 2.Place it on the side of the handle and make sure that the handle is in the middle of the lock. 3.Stick it firmly to the side of the handle. 4.simultaneously press the movable button from top and bottom and then rotate it 90 degrees to hold it perpendicular to the door. Box contents: 2 x child safety windows.