Enhanced Security and PrivacyThe door chain is usually used for the front door because door lock helps to identify the caller before the door is fully opened. Door security chains provides greater security, prevents intruders from intruding, and is not easily damaged when the door is opened with force. On the contrary, when the door is closed, the chain of the front door safety lock is easy to loosen. High QualityThe front door security is used as the chain lock of the front door, and has the additional advantages of the door lock mechanism. The front door can be completely released from the outside through the key. Smooth ActionThe chain lock for front door operates smoothly and can prevent the safety chain from being stuck or jammed unnecessarily. The interior of the door lock should not be a burden, making you worry about having to force it open. They should only be an additional door safety function to ensure your safety, just like this door limiter. Easy to InstallThe door chain lock is surface mounted, which means you can easily install it with a screwdriver or electric drill. The front door lock is universal and can be installed on any size door. Excellent DesignIf you are looking for the security door lock of the front door, UPVC door and other doors in your home, this is suitable for you. In addition to increased safety, its silver chrome finish makes it an ideal choice for indoor use and can complement any design in your home.