SAFER and DURABLE: lever handle lock is made up with Non-TOXIC material. The durable handle lock is stronger enough for little children to remove, which ensures your children a safe place.EASY INSTALL & REMOVE: No driling and screw needed, very easy to use. Just peel the 3M adhesive and place the lever lock on the right place of the door. To remove the lock, use a hairdryer to heat up the 3M sticker and remove it easily. No damage or trail left on the door.LOCK and UNLOCK: Special design of the "locking"&"unlocking" method. Simply press the button to move the levers of the locks in lock and unlocked position. Easy and simple for adult, but hard for children to operate.WIDE APPLICATION: Our door lever lock is not only can be used on all standard door handle lock, but is also compatible with drawers, windows, cabinets, dishwasher etc. Also works well in deterring pets from opening the door.INCREDIBLE COMBO PACK: Our package includes 4 safety lock door lever lock (4.72in x 2.75in x 1.96in) and a FREE GIFT of 2 corner guards a wonderful combination to stow away all the not-so-baby-friendly things as well as cover sharp corners.Produktbeschreibung WHY YOU CHOOSE OUR WGIA DOOR LEVER LOCK? --KIDS & PET SAFETY PROTECTOR1. Prevent toddles turning on a tap. 2. Prevent children opening a window and fall down accidentally. 3. Prevent little explorer opening the door and entering into a dangerous room. 4. Prevent children playing with the door and pinching their fingers. 5. Prevent children or pets locking you or themselves in a room. 6. Prevent children getting into specific rooms like the toilets or the storerooms without adults' supervision. INSTALLATION: Step 1: Clean the door space for the door level lock and mark location of lock with a pencil. Step 2: Peel off the 3M adhesive and align lock with pencil marks and press firmly onto the door. (Note: Please keep the surface flat and dry.) Step 3: Press buttons on top and bottom to move handles into locked or unlocked position.