All, Hotel Doorlock KB 2022 Posted on February 17, 2023February 17, 2023 by lock korea 17 Feb 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 KB 2022 lock korea KB 932