1.This lock is used in home and office. 
2.Elegant design and integrated cast steel structure. 
3.Three independent ways for unlocking the door: Fingerprint, PIN/Code or mechanical key. 
4.Allow to erase single fingerprint or group fingerprints.
5.Operated by four AA alkaline batteries, with low voltage alert.
6.Standalone, suitable for office, meeting room, residence etc.

Performance data:

1. Sensor:	300,000 pels CMOS
2.  Resolution of fingerprint system image:	550 DPI
3. Scanning window:	Artificial crystal, nano-treated surface, extremely resistant to friction
4. Maximum fingerprint capacity:	100 pieces
5. Time of fingerprint recognition match:	<0.6 seconds
6. Contrast:	Searching 1: N or contrast 1:1
7. FRR:	≤0.01%
8. FAR:	≤0.0001%
9. Startup time:	≤2 seconds
10. Living fingerprint:	Resolving the issue of remaining fingerprints
11. Operating temperature:	-10C -+65C
12. Operating humidity:	10%RH-80%RH
13. CPU:	ARM9(S3C2410A-20 200MHZ)
14. Memory:	4M FLASH+64M SPAM
15.  Size of fingerprint scanning window :	16mm *17mm
16. Module dimension:	21mm *55mm*28mm
17. Collection degree:	2 times(optional)
18. Static electric current:	<50uA
19. Working current:	<200mA
20. Working voltage:	International standard batteries,4*1.5V alkaline batteries,DC6V
21. Warming voltage:	<5V alarm, < 4.8V shut off system