⇒ANSI Standard Mortise Linked-five-latches structure. Reliable and stable performance. ⇒Anti-Plug Function Prevent people trying to open the door illegally with business cards, ID card, etc. ⇒Battery Powered 4 pcs alkaline AA batteries, last for 7-10 months ⇒Zinc Alloy Material PVD vacuum plating process for the surface, anti-corrosion, not easy to fade, ele...
