Reviews Closed Circuit Camera System

UHPPOTE Normal Closed Wired Screw-Terminal Surface-Mount Magnetic Contact for Window Door Security (Pack of 5)

  • This Contact Works with Any Access Control or Burglar Alarm System Available.
  • This contact can't connect directly to power, it works with your alarm system provide a switch signal. Working current under 12V.
  • Great for use in family and factory window, door. etc..
  • NC means Normally Closed: When the magnet together, the circuit is conductive (light on).
  • When the magnet separate, the circuit is not conductive (light off)..
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Air Curtain Door Switch Mars TZ6112 Combo Microswitch 42151

  • 10 Brown ABS Normally Closed Door Contact Switch.
  • Will make Sense Door Closer at Roughly ¾” or 15mm.
  • This Contact Works with Any Access Control or Burglar Alarm System Available.
  • NORMALLY CLOSED: When the door or window is open, the contact will give an open signal and when the door is closed the contact will give a closed (circuit) signal..
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Flair Electronics Recessed Contact, Wire Leads, VIP94-2 (10 Pack)

  • 5 Brown ABS Normally Closed Miniature Door Contact Switch 5/8 by 3/8 with 11" pigtail.
  • Will Sense Door Closer at Roughly 1/2” or 10mm.
  • This Contact Works with Any Access Control or Burglar Alarm System Available.
  • NORMALLY CLOSED: When the door or window is open, the contact will give an open signal and when the door is closed the contact will give a closed (circuit) signal..
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QMseller MC-33C Normally Closed Recessed Window Door Contact Sensor Alarm Magnetic Reed Switch 2 Sets

  • Work as an anti-theft alarm, ideal for metal door and window.
  • NC means Normally Closed:When the magnet together, the circuit is conductive( light on ).
  • when the magnet separate, the circuit is not conductive ( light off ).
  • These are the door contact sensors that are in use with any and all commercial or residential card access systems as well as all security burglar alarm system.
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TYUMEN 4 Pack 100FT 30.5 Meters White All-in-One BNC Video and Power Security Camera Cables BNC Extension Surveillance Camera Cables for CCTV Camera DVR Security Systems

  • 100 feet pre-made all-in-one BNC video and power security camera cable for security CCTV cameras.The cable just for Camera with DC Power and Supply DC Power for Security Cameras..
  • The cable is plug-and-play and well adaptive to various application scenarios like the surface and inside of walls, floors, etc. It is made of pure copper material, pvc-45p molding, featuring lower resistivity and better electrical conductivity, it's weatherproof, allows for use indoors and outdoors..
  • Fit for CCTV cameras, DVRs, and Audio Video Systems, Compatible with all CCTV Surveillance DVR Camera system, 960H, 720P/960P/1080PN/1080P, 3MP/4MP/5MP, AHD/HD-CVI/HD-TVI/HD-SDI. Please Note: for video cameras with 2.1mm male * 5.5mm female DC power connection Type..
  • Easy conversion from BNC female to RCA male connector by adapters inside. Transmit audio video signals, closed circuit television, RF signals, systems security..
  • Purchase with confidence, If you are not satisfied with the product in anyway we offer an easy return policy..
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TYUMEN 1 Pack 60FT (18.3 Meters, White) All-in-One BNC Video and Power Security Camera Cable, BNC Extension Surveillance Camera Cables for CCTV Camera DVR Security Systems

  • 60 feet pre-made all-in-one BNC video and power security camera cable for security CCTV cameras.The cable just for Camera with DC Power and Supply DC Power for Security Cameras..
  • The cable is plug-and-play and well adaptive to various application scenarios like the surface and inside of walls, floors, etc. It is made of pure copper material, pvc-45p molding, featuring lower resistivity and better electrical conductivity, it's weatherproof, allows for use indoors and outdoors..
  • Fit for CCTV cameras, DVRs, and Audio Video Systems, Compatible with all CCTV Surveillance DVR Camera system, 960H, 720P/960P/1080PN/1080P, 3MP/4MP/5MP, AHD/HD-CVI/HD-TVI/HD-SDI. Please Note: for video cameras with 2.1mm male * 5.5mm female DC power connection Type..
  • Easy conversion from BNC female to RCA male connector by adapters inside. Transmit audio video signals, closed circuit television, RF signals, systems security..
  • Purchase with confidence, If you are not satisfied with the product in anyway we offer an easy return policy..
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Tyumen 4 Pack 100FT (30.5 Meters, Black) All-in-One BNC Video and Power Security Camera Cable, BNC Extension Surveillance Camera Wire for CCTV Camera DVR Security Systems

  • 100 feet pre-made all-in-one BNC video and power security camera cable for security CCTV cameras. The cable just for Camera with DC Power and Supply DC Power for Security Cameras..
  • The cable is plug-and-play and well adaptive to various application scenarios like the surface and inside of walls, floors, etc. It is made of pure copper material, pvc-48p molding, featuring lower resistivity and better electrical conductivity, it's weatherproof, allows for use indoors and outdoors..
  • Fit for CCTV cameras, DVRs, and Audio Video Systems, Compatible with all CCTV Surveillance DVR Camera system, 960H, 720P/960P/1080PN/1080P, 3MP/4MP/5MP, AHD/HD-CVI/HD-TVI/HD-SDI. Please Note: for video cameras with 2.1mm male * 5.8mm female DC power connection Type..
  • Easy conversion from BNC female to RCA male connector by adapters inside. Transmit audio video signals, closed circuit television, RF signals, systems security..
  • Purchase with confidence, If you are not satisfied with the product in anyway we offer an easy return policy..
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UHPPOTE Wired Shutter Roller Magnetic Overhead Door Contact Output NC/NO with Bracket

  • This Contact Works with Any Access Control or Burglar Alarm System Available.
  • Great for use in family and factory window, door. etc..
  • NO means Normally Open: when the magnet separate, the circuit is conductive( light on ).
  • When the magnet together, the circuit is not conductive (light off).
  • NC means Normally Closed: When the magnet together, the circuit is conductive (light on).
  • When the magnet separate, the circuit is not conductive (light off).
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GDQLCNXB 2 Sets MC-33C Normally Closed Recessed Window Door Contact Sensor Alarm Magnetic Reed Switch

  • 3.NC means Normally Closed:When the magnet together, the circuit is conductive( light on ).
  • when the magnet separate, the circuit is not conductive ( light off ).
  • 4.Work as an anti-theft alarm, ideal for metal door and window.
  • 5.These are the door contact sensors that are in use with any and all commercial or residential card access systems as well as all security burglar alarm system.
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433MHZ Door Window Sensor detector working with 433mhz alarm system hub required

  • 1.NC means Normally Closed:When the magnet together, the circuit is conductive( light on ).
  • when the magnet separate, the circuit is not conductive ( light off ). When make order,pls check carefully!.
  • Max.Working Voltage: 100V,Contacts Status : NC (Normally Closed).
  • package Content : 6x Door Magnetic Switch.
  • 5.These are the door contact sensors that are in use with any and all commercial or residential card access systems as well as all security burglar alarm system..
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Fielect Rolling Door Contact Magnetic Reed Switch Alarm with 2 Wires for N.C. Applications MC-52

  • [Dimension] - Cable Length:300 mm；Sensing Distance: 25-35 mm.
  • Total Size: 49 x 19 x 9.8mm / 1.93" x 0.75" x 0.39" (L*W*H).
  • [Normally Closed] - N.C. means Normally Closed: When the magnet together, the circuit is conductive( light on ).
  • when the magnet separates, the circuit is not conductive ( light off )..
  • [Material] - The magnetic reed switch alarm is with durable zinc alloy housing for better rust resistance.
  • [Widely Used] - Magnetic Reed Switch Alarm works with any access control or burglar alarm system available.
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Fielect 30Pcs MC-38 Surface Mount Wired N.C Door Sensor Alarm Magnetic Reed Switch White

  • [Dimension] - Cable Length:250 mm；Sensing Distance: 15-25 mm；Total Size: 27mm x 28mm x 7.5mm / 1.06" x 1.1" x 0.3"(L*W*H).
  • [Normally Closed] - N.C. means Normally Closed: When the magnet together, the circuit is conductive( light on ).
  • when the magnet separates, the circuit is not conductive ( light off )..
  • [Widely Usedl] - This Door Contact Sensor works with any access control or burglar alarm system available.
  • [Note] - the Magnetic Door Switch must be installed according to the sensing distance. It can only provide a switch signal to the transmitter. It cannot directly load the power, nor directly connect the lamp!.
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Fielect 2pcs MC-38 Surface Mount Wired N.C Door Sensor Alarm Magnetic Reed Switch White

  • [Dimension] - Cable Length:250 mm；Sensing Distance: 15-25 mm；Total Size: 27mm x 28mm x 7.5mm / 1.06" x 1.1" x 0.3"(L*W*H).
  • [Normally Closed] - N.C. means Normally Closed: When the magnet together, the circuit is conductive( light on ).
  • when the magnet separates, the circuit is not conductive ( light off )..
  • [Widely Usedl] - This Recessed Door Contact Sensor works with any access control or burglar alarm system available.
  • [Note] - the Magnetic Door Switch must be installed according to the sensing distance. It can only provide a switch signal to the transmitter. It cannot directly load the power, nor directly connect the lamp!.
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