... lock system 1.Electronic lock character1,Suitable for hotel ,apartment,office,residential door;2,Door thickness requirement is 38mm to 60mm;3,With ziinc alloy material, fadeless and ... Match a set of mechanical key for emergency,the lock hole was maked hidden below ... records at least 200 unlocking transaction;Used lock software with RF induction unlocking card ... to locstar keyless door locks for hotel