proximity card hotel lock, Stainless steel material, very strong, convenient for hotel using. 304 stainless steel IC card lock·Europen style, made of pure ... long working life. ·User RFIC card, proximity, convenient for hotel management. ·Microwave sensor, no influence by exterior ray. ·Quick ... usersMaterialWrought brassPacking6pcs/ctn(340*320*390mm) RFIC Card Hotel Lock ES3810-BT(304 Stainless steel)