how do fingerprint scanners work

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... user and card numbers with ZKTeco Software. This device can capture image or read card serial number (ID/) directly and u...

... Collection And Scanner Device HF-OS300 is dual & rolling , with FAP30 size optical sensor, USB interface...

... Micro SD 32G Module Specification sensor UPEK TCS2SS 1:1 verification matching speed < 500ms(Feature extraction and...

... Current 2 Dynamic power consumption: current ≤ 200 mA User capacity 100 , 100 password Power supply model Battery Backup power ...

Panwei factory fingerprint digital TT APP lock remote control lock in hot selling Product Paramenters Dimension of External Panel 335L*70W*25H MM Mate...

Biometric Fingerprint Reader For Precise Authentication With PC Or Network Security Features: 1. Small form factor 2. Excellent scan quality 3. Encryp...

Grow KS200 Fingerprint Access Control Board Technical Parameters 4*AA battery or DC3.7-6.5V, Motor Output, Low Power Consumption, Admin/User Function ...

Esd tripod turnstile barrier with qr barcode and and RFID reader Specifications: Item GAT-310 voltage: AC220±10%V 50±10%HZ...

...height security turnstile with , Prison full height turnstile Name Full Height Turnstile Model WQ-DZZ01 Housing Size 1630x1500x2...

... speed and stable wireless connectivity anywhaere and anytime. Battery : Long lasting performance 15000mAH rechargeable battery lets you fulfill a ...

...RS485communication interface with biometric access controllers and standalone access control, including controllers , F8 and so o...

4G WIFI rugged pda android devices handheld computer qr code scanner barcode Tousei is a leading high-tech enterprise specialized in manufacturing var...

... (IPS+300ANSI) TP Touch Module G+G Multi-Touch Battery Type Rechargeable lithium polymer Capacity 5500mAh/3.7V Time Over 6...

... Attendance System 3G 4G Wifi Backup Battery Face Recognition Attendance Machine Time Attendance Face Recognition Attendance Mac...

... Android POS Machine with FBI Certified Reader and QR Features Android 7.0 secure payment industry OS 5.5 inch TFT IPS LCD, hig...

... with Mini HDMI, Android 10 MTK MT6771 Octa-core 2.0GHz, RT-T08F ■ 8'' WXGA(1280 x 800)500/1000 nits TFT LCD ■ MTK MT6771 2.0GHz ■ WiFi 802....

... 4.0 and 2G/3G/LTE for data transfer,with 2.0M front camera and 5.0M rear one,7500mah big battery for long time ,And we...

... DC Motor 5 million MCBF Slim Design glass wing barrier gate ABOUT THE SWING BARRIER Glass Turnstiles Torniquete is a part of th...