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Search results for: 'OpenZeppelin Contracts (last updated v4.9.0) (security/ReentrancyGuard.sol)'

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  1. VIBORG Deluxe Solid SUS304 Stainless Steel Surface Door Bolt Lock Door Latch Locks Door Safety Guard
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    VIBORG Deluxe Solid SUS304 Stainless Steel Surface... SKU : 32901859921
    Special Price US$2.58 Regular Price US$2.87
    Out of stock
  2. 5 Inch SIP Dynamic Face Recognition Access Control System TCP/IP Time Attendance Solutions
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    5 Inch SIP Dynamic Face Recognition Access Control... SKU : WCAM101119340635
    Special Price US$95.07 Regular Price US$105.63
  3. Dynamic Face Recognition Access Control System TCP/IP Time Attendance Solutions
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    Dynamic Face Recognition Access Control System TCP... SKU : WCAM101119340620
    Special Price US$87.29 Regular Price US$96.99
  4. JSJ N86-900 heightening thick bottom box 86 can be surface mounted and concealed module
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    JSJ N86-900 heightening thick bottom box 86 can be... SKU : 32731191484
    Special Price US$1.16 Regular Price US$1.29
    Out of stock
  5. 865-928Mhz R2000 long range uhf rfid module one antenna port with RS232 interface free SDK for atten
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    865-928Mhz R2000 long range uhf rfid module one an... SKU : CFRA9003
    Special Price US$204.82 Regular Price US$227.58
  6. Xiaomi Aqara Smart Door Touch Lock ZigBee Connection For Home Security Fingerprint Unlock APP Anti-P
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    Xiaomi Aqara Smart Door Touch Lock ZigBee Connecti... SKU : 32867533788
    Special Price US$237.66 Regular Price US$264.07
  7. L1 Smart Keyless Fingerprint Lock for Car Motorcycle Bike Waterproof Security Anti-theft Door Suitca
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    L1 Smart Keyless Fingerprint Lock for Car Motorcyc... SKU : 32956682761
    Special Price US$18.14 Regular Price US$20.16
    Out of stock
  8. Smart Security Devices Biometric Recorder Face Recognition Time Attendance System Elevator Access Control
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    Smart Security Devices Biometric Recorder Face Rec... SKU : WCAM101119340562
    Special Price US$85.56 Regular Price US$95.07
  9. 8 Inch Touch Screen Biometric Security Camera Face Recognition Door Access System with IC Card and WiFi
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    8 Inch Touch Screen Biometric Security Camera Face... SKU : WCAM101119340559
    Special Price US$129.64 Regular Price US$144.04
  10. Security System Access Control Face Recognition Terminal
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    Security System Access Control Face Recognition Te... SKU : WCAM101119340510
    Special Price US$142.60 Regular Price US$158.45
  11. Machine SIM Smart Security Face Recognition RFID TCP IP Wiegand Door Access Control Free Software Dynamic Facial and Card
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    Machine SIM Smart Security Face Recognition RFID T... SKU : WCAM101119340503
    Special Price US$142.60 Regular Price US$158.45
  12. ODM Custom Smart Security Facial Device Biometric Face Recognition Terminal for Wing Gate in Cbd Attendance Machine SIM Card
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    ODM Custom Smart Security Facial Device Biometric ... SKU : WCAM101119340501
    Special Price US$142.60 Regular Price US$158.45
  13. Human Body Detection Security Time Attendance System Face Recognizer Access Control Terminal
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    Human Body Detection Security Time Attendance Syst... SKU : WCAM101119340498
    Special Price US$152.41 Regular Price US$169.34
  14. Intelligent Door Access System Smart Security Devices Facial Time Recognition Face Rcognition Attendance Terminal
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    Intelligent Door Access System Smart Security Devi... SKU : WCAM101119340495
    Special Price US$142.60 Regular Price US$158.45
  15. Anytek P4 USB Rechargeable Smart Fingerprint Lock Keyless Fingerprint Unlock Anti-Theft Security Pad
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    Anytek P4 USB Rechargeable Smart Fingerprint Lock ... SKU : 32965350294
    Special Price US$18.87 Regular Price US$20.97
    Out of stock
  16. Electronic Keyless Lock Optical Fingerprint Password Door Lock Home Access Control System Security
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    Electronic Keyless Lock Optical Fingerprint Passwo... SKU : 32925607835
    Special Price US$65.32 Regular Price US$72.58
    Out of stock
  17. 1Pc Universal Digital Smart Door Lock Password Fingerprint Anti-theft Security Electric Lock House
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    1Pc Universal Digital Smart Door Lock Password Fin... SKU : 32969027580
    Special Price US$43.26 Regular Price US$48.06
    Out of stock
  18. USB Password Lock Security Biometric Fingerprint Scanner Reader Portable Safety Analyzer Universal f
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    USB Password Lock Security Biometric Fingerprint S... SKU : 32882129302
    Special Price US$19.00 Regular Price US$21.12
  19. LANXSTAR Face Recognition Palm Prints Intelligent Lock Apartment Home Anti-theft Security Door Elect
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    LANXSTAR Face Recognition Palm Prints Intelligent ... SKU : 32866582832
    Special Price US$297.54 Regular Price US$330.60
  20. Digital Glass Door Lock Touch Screen Fingerprint Electronic Door Lock Password Lock Keyless Security
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    Digital Glass Door Lock Touch Screen Fingerprint E... SKU : 32845392284
    Special Price US$151.63 Regular Price US$168.48
  21. Digital Glass Door Lock Touch Screen Fingerprint Password RFID Card Door Lock Keyless Security Smart
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    Digital Glass Door Lock Touch Screen Fingerprint P... SKU : 32845380726
    Special Price US$135.64 Regular Price US$150.72
  22. Newest ACR39U Smart Card Reader Writer USB interface
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    Newest ACR39U Smart Card Reader Writer USB interfa... SKU : ACR39
    Special Price US$16.70 Regular Price US$18.55
  23. Xiaomi Aqara Mijia Smart Door Touch Lock ZigBee Keyless Fingerprint Password 4in1 Mi Home App Contro
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    Xiaomi Aqara Mijia Smart Door Touch Lock ZigBee Ke... SKU : 32869842537
    Special Price US$198.77 Regular Price US$220.85
  24. Time Attendance Face Recognition Unit
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    Time Attendance Face Recognition Unit SKU : WCAM101119340539
    Special Price US$73.46 Regular Price US$81.62
  25. Face Access Control System with Free Software
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    Face Access Control System with Free Software SKU : WCAM101119340538
    Special Price US$73.46 Regular Price US$81.62
  26. 4.3 Inch Touch Screen Face Detection Reader
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    4.3 Inch Touch Screen Face Detection Reader SKU : WCAM101119340537
    Special Price US$73.46 Regular Price US$81.62
  27. HTTP WiFi 4G Qr IC&ID Card Reader Terminal with Free Software Face Access
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    HTTP WiFi 4G Qr IC&ID Card Reader Terminal wit... SKU : WCAM101119340631
    Special Price US$163.34 Regular Price US$181.49
  28. Public Place Hospital Entrance Gate Turnstile Linux Facial Recognition System
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    Public Place Hospital Entrance Gate Turnstile Linu... SKU : WCAM101119340603
    Special Price US$163.34 Regular Price US$181.49
  29. WiFi 4G Qr IC & ID Card Reader Facial Recognition Access Control Terminal with Free Time Attendance Software
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    WiFi 4G Qr IC & ID Card Reader Facial Recognit... SKU : WCAM101119340602
    Special Price US$163.34 Regular Price US$181.49
  30. Face Recognition PCB Elevator Board Access Control
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    Face Recognition PCB Elevator Board Access Control SKU : WCAM101119340568
    Special Price US$172.85 Regular Price US$192.05
  31. RS485 Elevator Access Control Board Facial Recognition Access Control System
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    RS485 Elevator Access Control Board Facial Recogni... SKU : WCAM101119340555
    Special Price US$172.85 Regular Price US$192.05
  32. WiFi NFC Card Reader Facial Recognition Terminal with Wall Bracket
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    WiFi NFC Card Reader Facial Recognition Terminal w... SKU : WCAM101119340535
    Special Price US$163.34 Regular Price US$181.49
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