The sliding lock (this is not an e-officer): When you buy the switches, you can ask your family or friends to lock the door with a simple turning movement when you get the switches; A locking prevention button that mechanically protection against unwanted translations in the outer button allows you to have a full control on the 'turning locking' feature; This can lock the locking prevention button when you don't need a 'turn to lock' mechanism feature, then the 'turn to lock' feature is eliminated. . Integrated in the button, a solid mechanism provides advanced by keeping the previous tenant switches, providing peace of mind, not stolen mandate; . We have added some wonderful features that you more options based on. Mechanical Classic Deadbolt design. This Deadbolt a series of selected functions . . To Kilit, the translation mechanism is especially useful for people who are busy with the elderly, children, disabled people, apartment front door, garage door, side door, hut door, Bodrum gate, back door and residence door, It is made like a .tank: 304 stainless steel casting, which is highly acclaimed by Lock-Picking-Lawyer on Youtube, the famous expert in the lock industry; Never fade and stainless and stainless and 304 stainless steel casting is almost never worn by lathe coating, paint, e-packet, oil and baking varnish is not used, not like zinc alloy and lathe is more environmentally friendly for recyclable use;