Top Closed Circuit Television Systems Reviews

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.

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..

[Dimension] - Cable Length:300 mm；Sensing Distance: 20-30 mm；Total Size: 30mm x 14.5mm x 7.5mm / 1.22" x 0.55" 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 )..
[Material] - The magnetic switch alarm is with durable zinc alloy housing for better rust resistance.
[Applications] - The Rolling Door Contact is designed for use with window and door alarm systems, such as garage, industrial warehouse and shops, etc..

●1 x 12V 3000mA switching power supply, to provide closed-circuit television for cameras, etc..
●All our products provide free lifetime service technical support, 30-day refund and 1-year quality warranty..
●Warm Tip: Before purchasing this product as a substitute, be sure to check the voltage and connector size of the original adapter..

【Package Included】: 2Sets x MC-32 Magnetic Reed Switch.(Mounting screws are includes)..
【Function】: The reed switch is an electrical switch operated by an applied magnetic field. Designed for use with alarm systems. Great for use in family and factory window, door. etc..
【Install Distance】：Gap between 2 pieces more than 15mm, less than 25mm.White color make home great and beautiful. Anti-fire ABS material..
【Switch Type】: 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 )..
【Reed Switch】：Important : When the magnet is near it makes connectivity, when the magnet is removed connectivity is broken.Wired magnetic door/windows contact can be added to wireless/wired Alarm Systems.(some wireless system has wired zones),Here with our 90-day money back risk-free purchase guarantee..

Furman's exclusive SMP Technology provides the highest level of surge & spike protection available..
LiFT offers linear AC power filtering to ensure clean power for unequaled audio & video clarity.
Auto-Reset EVS circuitry detects dangerous voltage irregularities and safely powers down itself and connected equipment in unsafe conditions.
Compact chassis design easily attaches to any flat screen television mount or any other remote location.
From the #1 brand in professional power conditioning. Perfect for plasma/LCD TVs, projectors, home recording, DJ equipment, pro audio rigs and home entertainment systems..

...-MONTH WARRANTY and 100% MONEY BACK GUARANTEE by UNI-T Direct!.
Precise & Accurate for education, communication, electrical signal generation, laboratory. Design, test, troubleshoot, and repair of electronic and electroacoustic devices, ie circuit and equipment testing in cellular and wireless systems, broadcasting, television and radio systems.

Simple and quick to install and use,Windows and Mac compatible.
Convert VGA/S-video/BNC to VGA. VGA, 4 pin S-video, BNC in.
It can change the interlacing signals of a video into VGA signals non-interlacing. Let your monitor change into flicker.
It enables the video in DVD/DVR, CCTV (closed-circuit television), camera, etc to be displayed on PC monitor or LCD. Single button for easy switch between different input source.
NOTE: The VGA to TV converter box is not suitable to HDTV.

...-MONTH WARRANTY and 100% MONEY BACK GUARANTEE by UNI-T Direct!.
Precise & Accurate for education, communication, electrical signal generation, laboratory. Design, test, troubleshoot, and repair of electronic and electroacoustic devices, ie circuit and equipment testing in cellular and wireless systems, broadcasting, television and radio systems.

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Pre-installed 1 TB hard drive records 360 hours on all 4 channels in 720p @ 30fps using motion detection or scheduled recording. Latency-free analog....