Is it safe for residential property to hold the owner's smart lock card?

It is unsafe for residential property to hold the owner's smart lock card. Electronic magnetic card lock is a commonly used authentication method for people entering and leaving the intelligent access control system of residential buildings at present. People entering and leaving the community can open the smart door lock by swiping the electronic access card in front of the sensor. However, the Replicator of this access card is easily available on the Internet. Give property to make it easier for others to come in.