> Finger Capacity: 1000> User Capacity: 3000> LCD: 2.4 inches TFT colour screen> Work with 4pcs 1.5V “AA” alkaline battery> Optical sensor(Support: Fingerprint+RFID+Pincode)Support USB to download attendance record

> Finger Capacity: 1000> User Capacity: 3000> LCD: 1.77 inches TFT colour screen> Work with 4pcs 1.5V “AA” alkaline battery> Optical sensorSupport USB to download attendance record(Support: Fingerprint+RFID+Pincode)

> Fingerprint Capacity: 500> User Capacity: 2500> LCD: 1.7 inches TFT colour screen> Work with 4pcs 1.5V “AA” alkaline battery> Fingerprint Sensor: SemiconductorSupport: Fingerprint+EM 125KHz Card+Pincode