Easy to Use. Magnetic key closer to unlock, the drawer and lock automatically. Engineered with normally open When baby is not , let the drawer return to freedom, normally open and as regular does on the premise that you switch the button to off mode so that the lock in status of permanent opening Easy and Fast installation, No Drilling - Install with adhesive tape that you 't have to drill into your cabinet and Keep your curious from drawers and cupboards filled with dangerous tools or chemicals with simple. Invisible from Outside - Locks install inside cabinet or drawer, out of sight of children and guests to make your home appealing while providing perfect children protection. For family use in cabinet, cupboard, drawer, closet etc. Use Tips: Clean and dry the surface use Installation may have to be slightly based on your cabinet or drawer style and . Doors, cabinets, drawers those thicker than 1.5 inch or with metal are not recommended colour:white Material:ABS size:Overall size:15*10*8cm lock: 38mm*40mm*40mm latch: 45mm*24mm*6mm key: 36mm*25mm(.) Package Contents: 4*locks 4*locks 1*magnetic key 1*key base 1*mounting aid 1*bag mounting screw 1*adhesive Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.