All, Hotel Doorlock KB 812 Posted on April 22, 2020February 16, 2023 by admin KoreaLock 22 Apr 1.Colour:silver 2.Material:stainless steel 3.Open the door way: RF card, the key 4.Reading card distance: ≤3cm 5.Door thickness: 38~70mm 6.Working temperature:-20°C~50°C 7.Quiescent dissipation: less than 15mA admin KoreaLock Home Lock 1111 kb811