【EASY TO USE】 Put your index finger in the pull ring and slide lock away from the base plate along the door in the direction of the hinges then pull outward.Not only prevent breaking in but also easy to open in case of emergency.
【EASY TO INSTALL】Use power screwdriver and drill to mount security door lock on your door frame ,finish door lock installation less than 6 minutes. Easy to match any inward swinging door.