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

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Items 33-64 of 131

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  1. Security One Time Use Tamper Proof NFC Consumable Printer Ribbon Tag
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    Security One Time Use Tamper Proof NFC Consumable ... SKU : RFIDConsumerLabel
    Special Price US$0.43 Regular Price US$0.48
  2. RFID Check On Destroy Removal NFC security Seal TAG
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    RFID Check On Destroy Removal NFC security Seal TA... SKU : LockerSealSticker-1
    Special Price US$0.43 Regular Price US$0.48
  3. 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$16.70 Regular Price US$18.55
  4. Serial Port RS485 LAN Ethernet To 4G WiFi Converter Server Industrial 4G LTE Router USR-G807 IoT Device Support Modbus
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    Serial Port RS485 LAN Ethernet To 4G WiFi Converte... SKU : USR-G807
    Special Price US$74.19 Regular Price US$82.43
  5. Counterfeit RFID UHF Sticker Label Wet Inlay UCode 7 23x11mm with Protected EPC and TID Tamper-proof
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    Counterfeit RFID UHF Sticker Label Wet Inlay UCode... SKU : U7-AZ-C7
    US$0.04
  6. 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
  7. 4G LTE Industrial Cellular VPN Router USR-G809 IOT Device 4 LAN and 1 WAN Ethernet Port
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    4G LTE Industrial Cellular VPN Router USR-G809 IOT... SKU : USR-G809
    Special Price US$94.35 Regular Price US$104.83
  8. UHF / 2.4G RFID Personnel Management RFID Wristband Tag
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    UHF / 2.4G RFID Personnel Management RFID Wristban... SKU : YJT-2481
    Special Price US$2.68 Regular Price US$2.98
  9. NFC Lock Smart Nail Sticker Decal Christmas 3D Design for N2F Private Screen Protector N2M Simulate
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    NFC Lock Smart Nail Sticker Decal Christmas 3D Des... SKU : 32830830413
    Special Price US$3.19 Regular Price US$3.54
  10. HJ9005S Ultra-HF Long Distance UHF RFID915M Reader and Writer G2 Desktop Reader
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    HJ9005S Ultra-HF Long Distance UHF RFID915M Reader... SKU : HJ9005S
    Special Price US$40.65 Regular Price US$45.16
  11. 5-6 meters Long range EPC GEN2 R2000 uhf handheld rfid reader 4G Portable Bluetooth Warehouse invent
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    5-6 meters Long range EPC GEN2 R2000 uhf handheld ... SKU : 33040015780
    Special Price US$667.70 Regular Price US$741.89
  12. 4G LTE Cellular IOT Gateway Alarm Device Industrial RS485 Serial Port GSM GPRS Modem Modbus RTU M2M for SCADA OPC Server S275
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    4G LTE Cellular IOT Gateway Alarm Device Industria... SKU : RTUS275
    Special Price US$53.41 Regular Price US$59.35
  13. JCOP card J2A040 chip JAVA card compatible with JCOP21-36K T=0 or T=1
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    JCOP card J2A040 chip JAVA card compatible with JC... SKU : J2A040
    Special Price US$0.44 Regular Price US$0.48
  14. 50pcs T5577 EM4305 Copy Rewritable Writable Rewrite Duplicate RFID Tag Can Copy EM4100 125khz card
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    50pcs T5577 EM4305 Copy Rewritable Writable Rewrit... SKU : 32881579692
    Special Price US$21.77 Regular Price US$24.19
  15. RFID+EAS Clothing Tags Clothing Auxiliary Materials Weaving Anti-theft Selling Clothing Safe Selling Washing Clothing Clothing
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    RFID+EAS Clothing Tags Clothing Auxiliary Material... SKU : tag038-TW
    Special Price US$0.23 Regular Price US$0.25
  16. Best Price Custom Jeans and Clothing RFID Paper UHF Hang Tags
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    Best Price Custom Jeans and Clothing RFID Paper UH... SKU : JYL
    Special Price US$0.08 Regular Price US$0.09
  17. RFID UHF Module with Ceramic Antenna 2M with TTL to USB Converter
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    RFID UHF Module with Ceramic Antenna 2M with TTL t... SKU : JRD100USB
    Special Price US$40.50 Regular Price US$45.00
  18. LPSECURITY M2M GPRS GSM Network Modems RS485 Port For IOT Controller Remote Monitoring
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    LPSECURITY M2M GPRS GSM Network Modems RS485 Port ... SKU : USR-GPRS232-734
    Special Price US$37.74 Regular Price US$41.93
  19. 10pcs NFC card tag tags 1k S50 IC 13.56MHz Read Write RFID
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    10pcs NFC card tag tags 1k S50 IC 13.56MHz Read Wr... SKU : 32596319735
    Special Price US$0.29 Regular Price US$0.32
    Out of stock
  20. RFID Based Intelligent Wine Drawer Refrigerator UHF EPC TCP/IP Customizable
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    RFID Based Intelligent Wine Drawer Refrigerator UH... SKU : ZKWINEDRAW
    Special Price US$116.12 Regular Price US$129.02
  21. R6 UHF RFID Sled Reader
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    R6 UHF RFID Sled Reader SKU : R6 UHF RFID Sled Reader
    Special Price US$558.84 Regular Price US$620.93
  22. Serial Port RS232 RS485 To WiFi Ethernet RJ45 Converter Server IOT Device USR-W610 Hardware Watchdog Modbus RTU To TCP
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    Serial Port RS232 RS485 To WiFi Ethernet RJ45 Conv... SKU : USR-W610
    Special Price US$27.00 Regular Price US$30.00
  23. Industrial 4G Cellular Modbus RTU Master for PLC Smart Meters Remote Data Acquisition MQTT IOT Gateway
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    Industrial 4G Cellular Modbus RTU Master for PLC S... SKU : RTUS272
    Special Price US$47.61 Regular Price US$52.90
  24. 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
  25. 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
  26. 50pcs RFID key fobs 13.56MHz proximity ABS key ic tags Token Ring nfc 1k china Fudan S50 1K chip
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    50pcs RFID key fobs 13.56MHz proximity ABS key ic ... SKU : 32234978694
    Special Price US$3.63 Regular Price US$4.03
    Out of stock
  27. 500pcs RFID key fobs 13.56MHz proximity ABS key ic tags Token Ring nfc 1k china Fudan S50 1K chip
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    500pcs RFID key fobs 13.56MHz proximity ABS key ic... SKU : 32235376319
    Special Price US$37.74 Regular Price US$41.93
    Out of stock
  28. 10pcs RFID Key Fobs 13.56MHz China Fudan 1K S50 Chip IC Tags Token Ring NFC Proximity ABS Key
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    10pcs RFID Key Fobs 13.56MHz China Fudan 1K S50 Ch... SKU : 32850311844
    Special Price US$2.18 Regular Price US$2.42
    Out of stock
  29. 50pcs IC+ID UID Rewritable Composite Key Tags Keyfob Dual Chip Frequency RFID 125KHZ T5577 EM4305
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    50pcs IC+ID UID Rewritable Composite Key Tags Keyf... SKU : 32793735618
    Special Price US$10.30 Regular Price US$11.45
    Out of stock
  30. 10 Pcs Duplicator EM4305 T5577 Clone Proximity Badge Writable Rewrite Copy 125khz RFID Tag Card Stic
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    10 Pcs Duplicator EM4305 T5577 Clone Proximity Bad... SKU : 32957734872
    Special Price US$1.74 Regular Price US$1.94
  31. 2015 GEN 2 UHF Passive RFID Tags for Pigs/Dogs/Sheeps Animal tracking and management
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    2015 GEN 2 UHF Passive RFID Tags for Pigs/Dogs/She... SKU : 32312433535
    Special Price US$0.42 Regular Price US$0.47
    Out of stock
  32. EPC GEN2 uhf rfid writer module with TTL Interface Read range more than 15m connect with 12dBi anten
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    EPC GEN2 uhf rfid writer module with TTL Interface... SKU : CFMU903
    Special Price US$75.19 Regular Price US$83.54
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