XL-20F fingerprint attendance machine: ARM9 core fingerprint authentication provides a more secure, reliable and convenient means of identification. The attendance with internal staff in attendance assessment under the stringent requirements, the manufacturer of RF and optical technology developed high-tech products. Fingerprint only and can not borrow, you can avoid the phenomenon of their work with each other cosmetologists card. XL - 20 fingerprint attendance machine is a fashionable, high technical content, performance, stability, function and stability, powerful, refuse recognition rate and misidentification rate the level of products. Has been widely used in multiple areas of attendance, access control, social security, identity cards, passports, public security, bank cards, etc.. 
 Technical parameters: 
 Dimensions: L184x128x45 (mm) 
 Effective collection area: 16x14 (mm) 
 For fingerprint plane then love angle: ± 45 
 Repudiation rate: ≤ 0.01% 
 Misidentification rate: ≤ 0.0001% 
 Fingerprint Identification time: ≤ 1.2 seconds 
 Fingerprint stored number: 3000 
 Management record capacity: 20000 
 Attendance record capacity: 60000 
 Than on the way: 1:1, 1: N 
 Means of authentication: fingerprint or password 
 Work: off-line 
 Means of communication: USB communication, the RS485; U disk to download, TCP / IP 
 The antistatic strength: <15KV 
 Operating humidity: 20% ~ 60% 
 Ambient temperature: 0 ℃ ~ 45% of 
 Power consumption: <5W 
 Show: four lines in the / English 
 Language Tip: optional open 
 Card type: Support ID (125K) reader (non-standard, to increase)