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

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  1. POE 2MP Network Surveillance Camera System Kit 4CH 1080P Full HD 15V POE NVR 4Pcs 2MP HD IP Cameras Outdoor ONVIF Set
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    POE 2MP Network Surveillance Camera System Kit 4CH... SKU : GD1080NVR4IP2MPPOE
    Special Price US$239.29 Regular Price US$265.88
  2. ZK iclock1000 Fingerprint Time Attendance Card Time Recorder ZKteco Fingerprint Door Access Control
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    ZK iclock1000 Fingerprint Time Attendance Card Tim... SKU : 32968916409
    Special Price US$824.88 Regular Price US$916.53
    Out of stock
  3. 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
  4. 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
  5. TCP/IP Face Recognition Door Entry Face Access Unit
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    TCP/IP Face Recognition Door Entry Face Access Uni... SKU : WCAM101119340520
    Special Price US$315.09 Regular Price US$350.10
  6. Face Recognition Time Attendance Machine Biometric Smart Device
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    Face Recognition Time Attendance Machine Biometric... SKU : WCAM101119340516
    Special Price US$102.03 Regular Price US$113.37
  7. Provided HTTP Mqtt 5 Inch Biometric Face Recognition Attendance Machine
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    Provided HTTP Mqtt 5 Inch Biometric Face Recogniti... SKU : WCAM101119340469
    Special Price US$102.03 Regular Price US$113.37
  8. Beward 10K Users Ai Face Recognition Attendance System Machine
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    Beward 10K Users Ai Face Recognition Attendance Sy... SKU : WCAM101119340461
    Special Price US$102.03 Regular Price US$113.37
  9. Small Size Rtsp Face Recognition Biometric Time Attendance
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    Small Size Rtsp Face Recognition Biometric Time At... SKU : WCAM101119340454
    Special Price US$102.03 Regular Price US$113.37
  10. Aqara Smart Door Windows Sensor Wireless Intelligent Mijia Home anti-theft protection Zigbee functio
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    Aqara Smart Door Windows Sensor Wireless Intellige... SKU : 32829007348
    Special Price US$14.99 Regular Price US$16.66
  11. WIFI TCP/IP Biometric Fingerprint Door Access Control System ZK iclock1000 Fingerprint Time Attendan
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    WIFI TCP/IP Biometric Fingerprint Door Access Cont... SKU : 32968920756
    Special Price US$670.32 Regular Price US$744.80
    Out of stock
  12. HD Combine Tester (MW- HDIPC05PLUS basic type full in 1)
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    HD Combine Tester (MW- HDIPC05PLUS basic type full... SKU : MW-HDIPC05PLUS-HD
    Special Price US$577.67 Regular Price US$641.85
  13. RFID UHF 860-960MHz Intelligent Master Multiplexer Splitter 8 Channel Antenna
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    RFID UHF 860-960MHz Intelligent Master Multiplexer... SKU : HY909M
    Special Price US$292.58 Regular Price US$325.09
  14. 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
  15. 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
  16. Temperature Facial Access Control System Turnstile Web Based Cloud Open API Document Company Management Machine
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    Temperature Facial Access Control System Turnstile... SKU : WCAM101119340444
    Special Price US$315.09 Regular Price US$350.10
  17. 8 Inch Card Reader Face Recognition Medical Equipment Infrared Digital Thermometer Temperature Sensor Controller Access Control
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    8 Inch Card Reader Face Recognition Medical Equipm... SKU : WCAM101119340312
    Special Price US$315.09 Regular Price US$350.10
  18. 5 Inch LCD Face Recognition Body Facial Time Attendance Door Access Control System
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    5 Inch LCD Face Recognition Body Facial Time Atten... SKU : WCAM101119340311
    Special Price US$99.03 Regular Price US$110.03
  19. 5 Inch Attendance Time Machine Access Control System Dynamic Face Recognition Door Lock
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    5 Inch Attendance Time Machine Access Control Syst... SKU : WCAM101119340310
    Special Price US$99.03 Regular Price US$110.03
  20. 5 Inch Biometric Time Attendance System Machine Face Facial Recognition Door Lock Access Control
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    5 Inch Biometric Time Attendance System Machine Fa... SKU : WCAM101119340309
    Special Price US$99.03 Regular Price US$110.03
  21. 5 Inch Dynamic Face Recognition Access Control System with Time Attendance
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    5 Inch Dynamic Face Recognition Access Control Sys... SKU : WCAM101119340308
    Special Price US$99.03 Regular Price US$110.03
  22. Built-in Card Reader TCP/IP USB Face Recognition Time Attendance Access Control System
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    Built-in Card Reader TCP/IP USB Face Recognition T... SKU : WCAM101119340307
    Special Price US$99.03 Regular Price US$110.03
  23. 5 Inch Free Management Software Face Recognition Time Attendance Access Control System
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    5 Inch Free Management Software Face Recognition T... SKU : WCAM101119340153
    Special Price US$99.03 Regular Price US$110.03
  24. Access Control System Turnstile Open API Document Company Management Machine
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    Access Control System Turnstile Open API Document ... SKU : WCAM101119340144
    Special Price US$53.42 Regular Price US$59.36
  25. 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
  26. RFID radio frequency card AGV Car landmark site sensor RS232/485 Farthest distance 10CM 13.56MHZ RFI
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    RFID radio frequency card AGV Car landmark site se... SKU : 32839866838
    Special Price US$65.19 Regular Price US$72.43
    Out of stock
  27. Outdoor 1080P IP Camera 2MP H.264 10X ZOOM Waterproof CCTV PTZ Speed Dome Camera IR-CUT Onvif P2P Mo
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    Outdoor 1080P IP Camera 2MP H.264 10X ZOOM Waterpr... SKU : 32808886925
    Special Price US$165.33 Regular Price US$183.70
  28. KKMOON Portable Foldable Luggage Shopping Travel Cart Flatbed Trailer Trolley Barrow with Black Pull
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    KKMOON Portable Foldable Luggage Shopping Travel C... SKU : 32943697801
    Special Price US$9.75 Regular Price US$10.83
    Out of stock
  29. Face Recognition Door Access System Access Control Face with Camera Identity Access Control
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    Face Recognition Door Access System Access Control... SKU : WCAM101119340059
    Special Price US$101.03 Regular Price US$112.25
  30. door access control gate 12VDC electric RFID TM tag chip stainless steel reader rim lock battery
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    door access control gate 12VDC electric RFID TM ta... SKU : 32795773590
    Special Price US$37.96 Regular Price US$42.18
  31. Hiseeu 2MP Surveillance POE IP Camera Audio H.265 1080P Outdoor Night Vision Waterproof Security CCTV Camera ONVIF for POE NVR
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    Hiseeu 2MP Surveillance POE IP Camera Audio H.265 ... SKU : HISB-2M
    Special Price US$19.32 Regular Price US$21.47
  32. Ceramic tile hole locator universal adjustable multifunctional ceramic tile hole cutter wall tile artifact auxiliary too
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    Ceramic tile hole locator universal adjustable mul... SKU : No-TB-574661406686-1
    Special Price US$2.15 Regular Price US$2.39
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