The product can be used in where access is restrictlycontrolled,such as factory,study center,army ,bank, dangerous ... to attend,Put an end to the replacement of other's attendance (fingerprint identification technology).Large capacity:2000 fingerprintsVoice hintSupport two working ... °CPower Supply12V DC@1APower Consumption< 5WSize of Product220mmx154mmx40mm AT-T358b Fingerprint Access Control Products