The Magnetic Locking System by Safety 1st helps keep your cabinets and drawers secure. It unlocks with a magnetic key that can be stored high up and out of your child s reach. These ingenious locks install discreetly inside of your cabinets and drawers making them invisible from the outside. A push of a button lets you disengage the lock during periods of non-use. When you re ready to keep things shut the SecureTech locking indicator lets you know that the lock is properly engaged again. This standard set includes four locks and one key. In side by side comparisons with leading competitors using real life toddlers the Safety 1st Adhesive Magnetic Locks were strong enough to keep even the cleverest of toddlers out. Even in lab testing using state of the art mechanical pull force equipment Safety 1st outperformed the competition. Toddler Tested. Proven Stronger.