[Features] 1. Designed for User Convenience Adopted fingerprint technology to open door which is known as unique and invariable through the whole life of human-being. You do not need to carry any key or card and free from stolen, misuse and duplication. 2. Highest Security Level Fingerprint based identification is the oldest and the most reliable among all the biometric technologies and used in numerous application. 3. Small and Slim Design Palm-size front body with 36mm thickness, powered by 4 alkaline batteries. 4. Easy Installation and Operation Requires one-hole to be drilled to install and simple steps for enrollment / deletion of fingerprint / User Access Code. 5. Sufficient Fingerprint Capacity 99 fingerprints can be enrolled. 6. Auto Locking and Temporary Open Mode User can set up auto locking or temporary open mode. 7. Audible and Visible Indicators LED light and buzzer sound indicates operation results. 8. Emergency User Access Code and Terminal for Extra Battery Source User Access Code can be used in case your enrolled finger hurt or damaged and 9V square battery in case internal batteries are used up. 9. Alarm Sound A loud alarm sound when the door is opened by force. 10. Indication Sensor for Power Saving and Higher Indication Rate Initiation sensor is equipped to wake up fingerprint sensor when finger is placed in the sensor glass to save battery and to reduce error rate. 11. Application Stand-alone suitable for residential, villas, offices, meeting rooms, executive officer's room, etc. [Specifications] 1. Fingerprint Sensor : Optical Sensor 2. Sensor Resolution (Sensing Size) : 500 dpi (16 x 19mm) 3. Enrollment Time : Less than 1 second 4. Verification Time : Less than 1 second 5. False Reject Rate (FRR) : 1/100 6. False Acceptance Rate (FAR) : 1/100,000 ~ 1/1,000,000 7. Fingerprint Scanning : twice to get on fingerprint template 8. User Capacity : up to 99 fingerprints (1:N) 9. Initiation Sensor : Infrared Sensor Applied 10. Supply Voltage : DC 3.3V ~3.8V 11. Power : 1.5V AA x 4 Alkaline batteries 12. Battery Life : approx. 12 months (20 time/day) 13. Emergency Power Source : Terminal for 9V square battery 14. LED Indicator : ID Number Indicator (0~98) 15. Thickness of the door : 32mm ~ 60mm 16. Material : Zinc alloy die-casting 17. Dimension : Front Body : 70(w) x 160(h) x 36(d)mm Back Body : 160(w) x 78(h) x 38(d)mm 18. Weight : 1.8kg (net) 19. Operating Environment : Temperature : -20?C ~ + 75?C Humidity : 45% RH ~ 80% RH 20. Safety Standard : CE, FCC