All, Hotel Doorlock KB 818 Posted on April 22, 2020May 11, 2020 by admin KoreaLock 22 Apr 1.Colour: antique copper2.Material:zinc alloy3.Open the door way: RF card, the key4.Reading card distance: ≤3cm5.Door thickness: 38~70mm6.Working temperature:-20°C~50°C7.Quiescent dissipation: less than 15mA admin KoreaLock KB 815 Homelock 5