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Search results for: 'Duolingo’s Social Features and Language Learning'

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  1. 4MP 2592X1520 IP PTZ Camera Module X18 Optical Zoom 4.7-84.6mm lens RS485 / RS232 Support PELCO-D/P
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    4MP 2592X1520 IP PTZ Camera Module X18 Optical Zo... SKU : 32724092764
    Special Price US$136.55 Regular Price US$151.73
  2. Hot Sale Shower Stool - Adjustable Bath Tub Seat for Bathroom Safety & Shaving - Heavy Duty & Lightw
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    Hot Sale Shower Stool - Adjustable Bath Tub Seat f... SKU : 32963174711
    Special Price US$17.42 Regular Price US$19.35
  3. Face Recognition with temperature detection
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    Face Recognition with temperature detection SKU : temperature-detection
    Special Price US$79.84 Regular Price US$88.71
  4. 4 channel Full 7 Realtime HD-SDI DVR Embedded DVR for CCTV Security Camera Network 1080p non-RT
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    4 channel Full 7 Realtime HD-SDI DVR Embedded DVR ... SKU : HDS4
    Special Price US$80.37 Regular Price US$89.30
  5. Mini Coaxial CCTV Keyboard Controller LCD 1.5km Joystick RS485 PTZ Speed Dome Camera Bracket For Pel
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    Mini Coaxial CCTV Keyboard Controller LCD 1.5km Jo... SKU : BB2X
    Special Price US$29.03 Regular Price US$32.25
    Out of stock
  6. 2018 Original Xiaomi Smart Home Kits Gateway Door Window Sensor Human Body Sensor Wireless Switch Hu
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    2018 Original Xiaomi Smart Home Kits Gateway Door ... SKU : 32677947158
    Special Price US$66.55 Regular Price US$73.94
  7. 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
  8. 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
  9. 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
  10. Security 2MP HDCVI Camera 1080P Fisheye Dome Outdoor CCTV HD CVI Camera Panaramic 360 Degree
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    Security 2MP HDCVI Camera 1080P Fisheye Dome Outdo... SKU : 32491471630
    Special Price US$19.60 Regular Price US$21.77
    Out of stock
  11. Ultra HD H.265 8MP IR 100M IP Camera 4K PTZ Heavy Duty 30x Auto Zoom Starlight Motion detection onvi
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    Ultra HD H.265 8MP IR 100M IP Camera 4K PTZ Heavy ... SKU : 32874946350
    Special Price US$275.79 Regular Price US$306.43
  12. 1pc Face Clamps Multi-function 6"-14"inch Steel C Type Clip Vise Locking Tightening Pliers Woodworki
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    1pc Face Clamps Multi-function 6"-14"inc... SKU : 32919294275
    Special Price US$1.45 Regular Price US$1.62
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  13. Solar Power IP Camera HD Waterproof WiFi Wireless Outdoor Human Motion Detection Security Camera
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    Solar Power IP Camera HD Waterproof WiFi Wireless ... SKU : SOLARCAMFIXCAM
    Special Price US$83.90 Regular Price US$93.22 As low as US$9.60
  14. One to Three Video Intercom system 1 Camera 3 Monitors Wireless Wifi Fingerprint RFID Password Video
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    One to Three Video Intercom system 1 Camera 3 Moni... SKU : SY705BMJFR11-1
    Special Price US$336.20 Regular Price US$373.55
  15. 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$196.54 Regular Price US$218.38
  16. Xiaomi Folding Baby Stroller Car Lightweight Trolley Pram Four Season Use Hot Mom Stroller Portable
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    Xiaomi Folding Baby Stroller Car Lightweight Troll... SKU : 32961857545
    Special Price US$87.09 Regular Price US$96.77
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  17. PTS-YM3081 Lightweight top load gimbal
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    PTS-YM3081 Lightweight top load gimbal SKU : PTS-YM3081
    Special Price US$62.21 Regular Price US$69.12
  18. GSM GPRS Temperature Logger(Outdoor)S261
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    GSM GPRS Temperature Logger(Outdoor)S261 SKU : S261
    Special Price US$171.99 Regular Price US$191.09
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  19. LS9 Biometric Door Access Control Lock Fingerprint Password Lock Digital Code Keyless Smart Entry
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    LS9 Biometric Door Access Control Lock Fingerprint... SKU : 32901355828
    Special Price US$142.25 Regular Price US$158.05
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  20. 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
  21. 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$95.07 Regular Price US$105.63
  22. 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$99.39 Regular Price US$110.43
  23. 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
  24. Long-Lived Mini USB Port Guard Tour RFID Reader with GPS Tracking System
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    Long-Lived Mini USB Port Guard Tour RFID Reader wi... SKU : 101015000015
    Special Price US$50.08 Regular Price US$55.64
  25. Mini USB Port Guard Patrol System with GPS Tracking System
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    Mini USB Port Guard Patrol System with GPS Trackin... SKU : 101015000014
    Special Price US$50.08 Regular Price US$55.64
  26. Long-Lived Mini USB Port Guard Patrol with GPS Tracking System
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    Long-Lived Mini USB Port Guard Patrol with GPS Tra... SKU : 101015000013
    Special Price US$50.08 Regular Price US$55.64
  27. Long-Lived Mini USB Port Security Systems with GPS Tracking System
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    Long-Lived Mini USB Port Security Systems with GPS... SKU : 101015000012
    Special Price US$50.08 Regular Price US$55.64
  28. Long-Lived Mini USB Port Guard Tour Equipment with GPS Tracking System
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    Long-Lived Mini USB Port Guard Tour Equipment with... SKU : 101015000011
    Special Price US$65.32 Regular Price US$72.58
  29. Wireless Sensor Mini USB Port Charge Security RFID Inspection Point Guard Tour Patrol with LCD Display
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    Wireless Sensor Mini USB Port Charge Security RFID... SKU : 101015000010
    Special Price US$67.41 Regular Price US$74.90
  30. Long-Lived Mini USB Port Guard Patrol System with GPS Tracking System
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    Long-Lived Mini USB Port Guard Patrol System with ... SKU : 101015000009
    Special Price US$12.34 Regular Price US$13.71
  31. 60W Solar Power Panel IP Camera Wifi 1080P HD 3G 4G SIM Card PTZ Solar Camera Outdoor 5X Optical Dom
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    60W Solar Power Panel IP Camera Wifi 1080P HD 3G 4... SKU : 32841687611
    Special Price US$77.66 Regular Price US$86.29
    Out of stock
  32. 7 inch Wired Wireless Wifi IP Video Door Phone Doorbell Intercom Entry System with 1000TVL Wired Cam
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    7 inch Wired Wireless Wifi IP Video Door Phone Doo... SKU : SY806MJ
    Special Price US$185.79 Regular Price US$206.44
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