Door safety chains, anti-theft locks, stainless steel safety chains, sliding door limit switches

【Steel Material and Brushed Surface Finish】: This chain lock is made of stainless steel, making it sturdy, durable, and resistant to discoloration and corrosion, ensuring your safety and long service life. The triple-brushed surface finish effectively resists daily scratches and impacts.【Security Lock】: This lock features a spring-loaded anti-theft button that opens the chain with a simple press, preventing unauthorized access to the internal hooks and disassembly of the chain. The system also allows the chain to detach, enhancing your home's security.【Reinforced Chain】: The reinforced chain is durable and not easily broken even under strong tension, ensuring a longer service life.【Easy Installation】: This kit includes one chain lock and four screws for easy installation on the back of the door. This chain lock is suitable for various types of wooden or metal doors and can be installed above or to the side of the door frame. (The greater the distance between the chain links and the base, the smaller the opening angle.)[Anti-theft Protection]: This safety chain effectively prevents damage to locks and bolts, deterring thieves and intruders. Therefore, it is ideal for people living alone. It also prevents unauthorized children from leaving the house, ensuring their safety.