EASILOK Twist to Lock deadbolt Lock keyless,Either Keeping Front Door Lock Locked as Well Unlocked Status As You Want by Child Safety Lock-Dead-Button on Interior Door knob,Single Cylinder

About this item KEY LESS LOCKING DESIGN: twist to lock your deadbolt key less，It makes the deadbolt locking much easier especially for children&elderly people & hands with rambunctious toddlers or infants or occupied;This deadbolt TWISTING-to-LOCK key less mechanical technology is the greatest invention of the lock industry in this century since the bolt locking key less design invented in 1919; WORK AS CHILD SAFETY LOCK: An invented DEAD-BUTTON control the bolt to maintain the door locked status as well as the opened status as You Want, just push down DEAD-BUTTON which on the interior knob to lock it with your finger while you’re holding the solidly and fullness knob;No need an extra child safety lock which drilling more screw-holes or leaving glues on your door; BEST QUALITY and SUPER RELIABLE: Never fades & rusts and hardly wears out by the process is lathe after 304 stainless steel casting built like a tank, And w