... good performance, excellent prices,waterproof key,securi electronic cabinet key card lock(TM01A) Material: zinc alloy , plastic Key: TM 1990A ibuttonWeight: 150gFunction ... my company, can not be replaceable and copied. Guest key is TM1990A(DS1990A).Each lock can set one Guest card ... cabinets, bath cabinets, changing room, bank loan, safe... electronic locker lock with iButton key, zinc alloy(TM210)