5000 Series 5000 Series is the succeeding model of 2000 & 3000series, it is the next flagship model of IC key lock with easy installation, more stability, better design. Type : Battery, Online power, Network LL54PK-3Representative digital semi locker lock of IC key insert type LL54PK-4Representative digital semi locker lock of IC key insert type LL54PK-6Representative digital semi locker lock of IC key insert type LL54PK-7Representative digital semi locker lock of IC key insert type