Specifications reliable, rugged and high precision optical sensor capacity up to 500 cards up to 500 fingerprints less than 1 second user recognition reads fingerprints and / or password and / or card password capacity up to 8 groups 125 khz integrated rfid proximity reader small durable elegant design sound indicators for accepting and rejecting valid / invalid transactions 3rd evening electric lock, alarm, door sensor, includes: 1 x fingerprint access controller 1 x user manual 1 x power cable