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Search results for: 'NULL check a double pointer c'

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  1. 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$156.99 Regular Price US$174.44
  2. 5 Inch Wireless NFC 13.56MHz Card Reader API Sdk Time Attendance Door Access Control System
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    5 Inch Wireless NFC 13.56MHz Card Reader API Sdk T... SKU : WCAM101119340640
    Special Price US$99.03 Regular Price US$110.03
  3. 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$275.07 Regular Price US$305.63
  4. 5 Inch SIP Two Way Talk Face Reader Free API Sdk NFC Time Attendance Door Access Control System
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    5 Inch SIP Two Way Talk Face Reader Free API Sdk N... SKU : WCAM101119340618
    Special Price US$110.03 Regular Price US$122.26
  5. HTTP/Mqtt Free Sdk/API Software 10 Inch Qr+RFID Face Recognition Access Control Outdoor
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    HTTP/Mqtt Free Sdk/API Software 10 Inch Qr+RFID Fa... SKU : WCAM101119340599
    Special Price US$165.05 Regular Price US$183.39
  6. DANMINI A5 Fingerprint sensor Employee Attendance Machine Time Clock Recorder 2.4-Inch TFT Color
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    DANMINI A5 Fingerprint sensor Employee Attendance ... SKU : 32846070061
    Special Price US$83.66 Regular Price US$92.96
  7. 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$189.05 Regular Price US$210.06
  8. Linux 5 Inch Wireless Wired Time Attendance Card Reader 13.56mnz NFC RFID Door Access Control System Face Reader Free API/Sdk
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    Linux 5 Inch Wireless Wired Time Attendance Card R... SKU : WCAM101119340604
    Special Price US$115.03 Regular Price US$127.81
  9. 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$189.05 Regular Price US$210.06
  10. Wireless 5 Inch Company and Office Face Access Control System
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    Wireless 5 Inch Company and Office Face Access Con... SKU : WCAM101119340575
    Special Price US$99.03 Regular Price US$110.03
  11. DIYSECUR Full Complete LCD Fingerprint And Id Card Reader Password Keypad Door Access Control System
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    DIYSECUR Full Complete LCD Fingerprint And Id Card... SKU : 2039616781
    Special Price US$193.71 Regular Price US$215.23
    Out of stock
  12. GSM Gate Opener 3G Garage Door Open Remote Controller Quad Band GPRS Access Control 3G Gate Opener
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    GSM Gate Opener 3G Garage Door Open Remote Contro... SKU : RTU50253
    Special Price US$68.77 Regular Price US$76.41
  13. GSM 2G Gate Opener Garage Door Open Remote Controller Quad Band GPRS Access Control 2G Gate Opener
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    GSM 2G Gate Opener Garage Door Open Remote Contro... SKU : RTU50252
    Special Price US$50.01 Regular Price US$55.57
  14. 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$200.06 Regular Price US$222.29
  15. LPSECURITY Biometrics Fingerprint Access Control RFID Reader for door gate access control system WG2
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    LPSECURITY Biometrics Fingerprint Access Control R... SKU : 32863538147
    Special Price US$39.99 Regular Price US$44.43
  16. Danmini A3 sliver fingerprint reader biometric door lock with thumbprint scanner DC 5V/1A color TFT
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    Danmini A3 sliver fingerprint reader biometric doo... SKU : 32839005533
    Special Price US$25.03 Regular Price US$27.81
    Out of stock
  17. Fingerprint RFID Access control system set Control Machine Digital Scanner Sensor For Door Lock Ti
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    Fingerprint RFID Access control system set Contro... SKU : 32828709267
    Special Price US$227.47 Regular Price US$252.75
  18. 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$189.05 Regular Price US$210.06
  19. Wireless 8 Inch Touch Screen MIFARE Card Reader Face Scanner
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    Wireless 8 Inch Touch Screen MIFARE Card Reader Fa... SKU : WCAM101119340534
    Special Price US$189.05 Regular Price US$210.06
  20. Wireless WIFI Rfid Door Access Control System Kit Set +1 Electronic Door Lock +1 Remote Control + 5
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    Wireless WIFI Rfid Door Access Control System Kit ... SKU : 32829337212
    Special Price US$148.48 Regular Price US$164.98
  21. Fast Dispatch Face Recognition Electric Access Control Control Lift Device
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    Fast Dispatch Face Recognition Electric Access Con... SKU : WCAM101119340563
    Special Price US$99.03 Regular Price US$110.03
  22. UTEK UT-216 RS-232 to RS-485/RS-422 converter with 600w lightning protection active RS232 to RS485/RS422 Interface Converter
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    UTEK UT-216 RS-232 to RS-485/RS-422 converter with... SKU : UT-216
    Special Price US$19.15 Regular Price US$21.28
  23. Livolo APP Touch Control Zigbee Switch, WiFi Home Automation Smart Remote Control, Work with Echo
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    Livolo APP Touch Control Zigbee Switch, WiFi Home ... SKU : 32918552579
    Special Price US$11.76 Regular Price US$13.07
  24. Surveillance Camera Access Control System Camera Fingerprint Attendance System
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    Surveillance Camera Access Control System Camera F... SKU : WCAM101119340579
    Special Price US$101.03 Regular Price US$112.25
  25. 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$237.06 Regular Price US$263.40
  26. 4G WiFi Qr RFID Touch Screen Face Access Terminal Unit for School Bus
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    4G WiFi Qr RFID Touch Screen Face Access Terminal ... SKU : WCAM101119340638
    Special Price US$165.05 Regular Price US$183.39
  27. Original xiaomi Mijia aqara Smart door lock ,Digital Touch Screen Keyless Fingerprint+Password work
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    Original xiaomi Mijia aqara Smart door lock ,Digit... SKU : 32836642835
    Special Price US$390.01 Regular Price US$433.35
  28. 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$175.50 Regular Price US$195.00
  29. 4CH 12V8A Centralized Access Control Power Supply Distribution Box Metal Case
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    4CH 12V8A Centralized Access Control Power Supply ... SKU : acp12v8a4ch
    Special Price US$105.02 Regular Price US$116.69
  30. DIYSECUR Full TCP / IP Fingerprint ID Card Reader Door Access Control Kit + Magnetic Lock + Exit
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    DIYSECUR Full TCP / IP Fingerprint ID Card Reader ... SKU : 1290724467
    Special Price US$173.03 Regular Price US$192.25
    Out of stock
  31. RAYKUBE Wireless Remote Control Kit 1V1 For Remote Open Electric Door Lock Control Module Rosewood T
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    RAYKUBE Wireless Remote Control Kit 1V1 For Remote... SKU : 32768266254
    Special Price US$1.31 Regular Price US$1.46
  32. 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$19.32 Regular Price US$21.47
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