Specification Brand : BOYU-SHITAI Label : BOYU-SHITAI Manufacturer : BOYU-SHITAI MaterialType : Stainless steel ProductGroup : Home Improvement ProductTypeName : HARDWARE Publisher : BOYU-SHITAI SmallImage_Height : 75 SmallImage_URL : https://m.media-amazon.com/images/I/41H1NYw6-YL._SL75_.jpg SmallImage_Width : 75 Studio : BOYU-SHITAI Title : 12V Electric Control Door Lock for Doorbell Intercom Access Remote Control Home Stainless Steel for Wired Video Doorphone Intercom Entry Security System