Easy to use magnetic key closer to unlock, close the drawer and lock automatically. Engineered with normally open. Easy and fast installation with adhesive tape, no drilling required. Keeps curious kids away from drawers and cupboards filled with dangerous tools or chemicals. Can be seen from outside, locks install inside cabinet or drawer, out of sight of children and guests. For family use in cabinet, cupboard, drawer, closet etc. Clean and dry the surface before use. Installation method may have to be slightly altered based on your cabinet or drawer style and design. Doors, cabinets, drawers those thicker than 1.5'' or with metal are not recommended.